Home / 676,707,685.28-933,856,605.60-383,352,253.28

Finding the Fourth Proportional to 676,707,685.28, 933,856,605.60 and 383,352,253.28

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Solution

The fourth proportional to 676,707,685.28, 933,856,605.60 and 383,352,253.28 is: 529,026,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,707,685.28 : 933,856,605.60 = 383,352,253.28 : x
  2. Step 2: Convert to fraction form
    676,707,685.28/933,856,605.60 = 383,352,253.28/x
  3. Step 3: Cross multiply
    676,707,685.28x = 933,856,605.60 × 383,352,253.28
  4. Step 4: Simplify right side
    676,707,685.28x = 357,996,033,997,172,224
  5. Step 5: Solve for x
    x = 357,996,033,997,172,224/676,707,685.28
  6. Step 6: Final answer
    x = 529,026,109.48

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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.