Home / 687,732,532.64-1,029,661,585.33-617,996,844.62

Finding the Fourth Proportional to 687,732,532.64, 1,029,661,585.33 and 617,996,844.62

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Solution

The fourth proportional to 687,732,532.64, 1,029,661,585.33 and 617,996,844.62 is: 925,254,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,732,532.64 : 1,029,661,585.33 = 617,996,844.62 : x
  2. Step 2: Convert to fraction form
    687,732,532.64/1,029,661,585.33 = 617,996,844.62/x
  3. Step 3: Cross multiply
    687,732,532.64x = 1,029,661,585.33 × 617,996,844.62
  4. Step 4: Simplify right side
    687,732,532.64x = 636,327,610,752,128,640
  5. Step 5: Solve for x
    x = 636,327,610,752,128,640/687,732,532.64
  6. Step 6: Final answer
    x = 925,254,485.66

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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.