Home / 13,102,420,140.80-19,653,630,211.20-8,694,435,910.40

Finding the Fourth Proportional to 13,102,420,140.80, 19,653,630,211.20 and 8,694,435,910.40

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Solution

The fourth proportional to 13,102,420,140.80, 19,653,630,211.20 and 8,694,435,910.40 is: 13,041,653,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,420,140.80 : 19,653,630,211.20 = 8,694,435,910.40 : x
  2. Step 2: Convert to fraction form
    13,102,420,140.80/19,653,630,211.20 = 8,694,435,910.40/x
  3. Step 3: Cross multiply
    13,102,420,140.80x = 19,653,630,211.20 × 8,694,435,910.40
  4. Step 4: Simplify right side
    13,102,420,140.80x = 170,877,228,277,979,611,136
  5. Step 5: Solve for x
    x = 170,877,228,277,979,611,136/13,102,420,140.80
  6. Step 6: Final answer
    x = 13,041,653,865.60

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Half scale
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Double scale
Find fourth proportional to 13,102,420,141.80, 19,653,630,212.70 and 8,694,435,911.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.