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Finding the Fourth Proportional to 732,503,867.70, 1,098,755,801.55 and 676,383,698.10

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Solution

The fourth proportional to 732,503,867.70, 1,098,755,801.55 and 676,383,698.10 is: 1,014,575,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,503,867.70 : 1,098,755,801.55 = 676,383,698.10 : x
  2. Step 2: Convert to fraction form
    732,503,867.70/1,098,755,801.55 = 676,383,698.10/x
  3. Step 3: Cross multiply
    732,503,867.70x = 1,098,755,801.55 × 676,383,698.10
  4. Step 4: Simplify right side
    732,503,867.70x = 743,180,512,361,218,688
  5. Step 5: Solve for x
    x = 743,180,512,361,218,688/732,503,867.70
  6. Step 6: Final answer
    x = 1,014,575,547.15

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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.