Home / 932,454,509.78-1,286,753,425.77-514,757,805.14

Finding the Fourth Proportional to 932,454,509.78, 1,286,753,425.77 and 514,757,805.14

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Solution

The fourth proportional to 932,454,509.78, 1,286,753,425.77 and 514,757,805.14 is: 710,347,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,454,509.78 : 1,286,753,425.77 = 514,757,805.14 : x
  2. Step 2: Convert to fraction form
    932,454,509.78/1,286,753,425.77 = 514,757,805.14/x
  3. Step 3: Cross multiply
    932,454,509.78x = 1,286,753,425.77 × 514,757,805.14
  4. Step 4: Simplify right side
    932,454,509.78x = 662,366,369,205,741,056
  5. Step 5: Solve for x
    x = 662,366,369,205,741,056/932,454,509.78
  6. Step 6: Final answer
    x = 710,347,113.19

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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.