Home / 1,253,072,988.27-1,729,139,503.59-724,471,045.74

Finding the Fourth Proportional to 1,253,072,988.27, 1,729,139,503.59 and 724,471,045.74

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Solution

The fourth proportional to 1,253,072,988.27, 1,729,139,503.59 and 724,471,045.74 is: 999,711,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,072,988.27 : 1,729,139,503.59 = 724,471,045.74 : x
  2. Step 2: Convert to fraction form
    1,253,072,988.27/1,729,139,503.59 = 724,471,045.74/x
  3. Step 3: Cross multiply
    1,253,072,988.27x = 1,729,139,503.59 × 724,471,045.74
  4. Step 4: Simplify right side
    1,253,072,988.27x = 1,252,711,504,396,191,744
  5. Step 5: Solve for x
    x = 1,252,711,504,396,191,744/1,253,072,988.27
  6. Step 6: Final answer
    x = 999,711,522.09

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.