Home / 1,326,517,354.15-1,988,727,608.15-662,190,424.75

Finding the Fourth Proportional to 1,326,517,354.15, 1,988,727,608.15 and 662,190,424.75

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Solution

The fourth proportional to 1,326,517,354.15, 1,988,727,608.15 and 662,190,424.75 is: 992,762,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,517,354.15 : 1,988,727,608.15 = 662,190,424.75 : x
  2. Step 2: Convert to fraction form
    1,326,517,354.15/1,988,727,608.15 = 662,190,424.75/x
  3. Step 3: Cross multiply
    1,326,517,354.15x = 1,988,727,608.15 × 662,190,424.75
  4. Step 4: Simplify right side
    1,326,517,354.15x = 1,316,916,379,549,583,616
  5. Step 5: Solve for x
    x = 1,316,916,379,549,583,616/1,326,517,354.15
  6. Step 6: Final answer
    x = 992,762,269.89

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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.