Home / 914,787,503.28-1,262,425,442.76-497,126,693.52

Finding the Fourth Proportional to 914,787,503.28, 1,262,425,442.76 and 497,126,693.52

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Solution

The fourth proportional to 914,787,503.28, 1,262,425,442.76 and 497,126,693.52 is: 686,044,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,787,503.28 : 1,262,425,442.76 = 497,126,693.52 : x
  2. Step 2: Convert to fraction form
    914,787,503.28/1,262,425,442.76 = 497,126,693.52/x
  3. Step 3: Cross multiply
    914,787,503.28x = 1,262,425,442.76 × 497,126,693.52
  4. Step 4: Simplify right side
    914,787,503.28x = 627,585,386,174,800,768
  5. Step 5: Solve for x
    x = 627,585,386,174,800,768/914,787,503.28
  6. Step 6: Final answer
    x = 686,044,992.88

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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.