Home / 1,304,814,956.20-1,957,222,434.30-724,339,666.60

Finding the Fourth Proportional to 1,304,814,956.20, 1,957,222,434.30 and 724,339,666.60

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Solution

The fourth proportional to 1,304,814,956.20, 1,957,222,434.30 and 724,339,666.60 is: 1,086,509,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,814,956.20 : 1,957,222,434.30 = 724,339,666.60 : x
  2. Step 2: Convert to fraction form
    1,304,814,956.20/1,957,222,434.30 = 724,339,666.60/x
  3. Step 3: Cross multiply
    1,304,814,956.20x = 1,957,222,434.30 × 724,339,666.60
  4. Step 4: Simplify right side
    1,304,814,956.20x = 1,417,693,845,522,902,528
  5. Step 5: Solve for x
    x = 1,417,693,845,522,902,528/1,304,814,956.20
  6. Step 6: Final answer
    x = 1,086,509,499.90

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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.