Home / 19,852,068,290.80-29,778,102,436.20-8,811,700,380.40

Finding the Fourth Proportional to 19,852,068,290.80, 29,778,102,436.20 and 8,811,700,380.40

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Solution

The fourth proportional to 19,852,068,290.80, 29,778,102,436.20 and 8,811,700,380.40 is: 13,217,550,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,068,290.80 : 29,778,102,436.20 = 8,811,700,380.40 : x
  2. Step 2: Convert to fraction form
    19,852,068,290.80/29,778,102,436.20 = 8,811,700,380.40/x
  3. Step 3: Cross multiply
    19,852,068,290.80x = 29,778,102,436.20 × 8,811,700,380.40
  4. Step 4: Simplify right side
    19,852,068,290.80x = 262,395,716,564,653,703,168
  5. Step 5: Solve for x
    x = 262,395,716,564,653,703,168/19,852,068,290.80
  6. Step 6: Final answer
    x = 13,217,550,570.60

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Double scale
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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.