Home / 1,326,517,473.09-1,988,727,786.14-662,190,542.85

Finding the Fourth Proportional to 1,326,517,473.09, 1,988,727,786.14 and 662,190,542.85

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Solution

The fourth proportional to 1,326,517,473.09, 1,988,727,786.14 and 662,190,542.85 is: 992,762,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,517,473.09 : 1,988,727,786.14 = 662,190,542.85 : x
  2. Step 2: Convert to fraction form
    1,326,517,473.09/1,988,727,786.14 = 662,190,542.85/x
  3. Step 3: Cross multiply
    1,326,517,473.09x = 1,988,727,786.14 × 662,190,542.85
  4. Step 4: Simplify right side
    1,326,517,473.09x = 1,316,916,732,281,614,336
  5. Step 5: Solve for x
    x = 1,316,916,732,281,614,336/1,326,517,473.09
  6. Step 6: Final answer
    x = 992,762,446.78

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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.