Home / 10,913,146,781.40-16,369,720,172.10-3,926,185,666.20

Finding the Fourth Proportional to 10,913,146,781.40, 16,369,720,172.10 and 3,926,185,666.20

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Solution

The fourth proportional to 10,913,146,781.40, 16,369,720,172.10 and 3,926,185,666.20 is: 5,889,278,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913,146,781.40 : 16,369,720,172.10 = 3,926,185,666.20 : x
  2. Step 2: Convert to fraction form
    10,913,146,781.40/16,369,720,172.10 = 3,926,185,666.20/x
  3. Step 3: Cross multiply
    10,913,146,781.40x = 16,369,720,172.10 × 3,926,185,666.20
  4. Step 4: Simplify right side
    10,913,146,781.40x = 64,270,560,699,404,017,664
  5. Step 5: Solve for x
    x = 64,270,560,699,404,017,664/10,913,146,781.40
  6. Step 6: Final answer
    x = 5,889,278,499.30

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Double scale
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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.