Home / 8,805,889,815.40-13,208,834,723.10-8,132,447,780.20

Finding the Fourth Proportional to 8,805,889,815.40, 13,208,834,723.10 and 8,132,447,780.20

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Solution

The fourth proportional to 8,805,889,815.40, 13,208,834,723.10 and 8,132,447,780.20 is: 12,198,671,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,889,815.40 : 13,208,834,723.10 = 8,132,447,780.20 : x
  2. Step 2: Convert to fraction form
    8,805,889,815.40/13,208,834,723.10 = 8,132,447,780.20/x
  3. Step 3: Cross multiply
    8,805,889,815.40x = 13,208,834,723.10 × 8,132,447,780.20
  4. Step 4: Simplify right side
    8,805,889,815.40x = 107,420,158,622,903,271,424
  5. Step 5: Solve for x
    x = 107,420,158,622,903,271,424/8,805,889,815.40
  6. Step 6: Final answer
    x = 12,198,671,670.30

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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.