Home / 695,386,905.78-959,641,567.92-382,121,200.74

Finding the Fourth Proportional to 695,386,905.78, 959,641,567.92 and 382,121,200.74

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Solution

The fourth proportional to 695,386,905.78, 959,641,567.92 and 382,121,200.74 is: 527,331,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,386,905.78 : 959,641,567.92 = 382,121,200.74 : x
  2. Step 2: Convert to fraction form
    695,386,905.78/959,641,567.92 = 382,121,200.74/x
  3. Step 3: Cross multiply
    695,386,905.78x = 959,641,567.92 × 382,121,200.74
  4. Step 4: Simplify right side
    695,386,905.78x = 366,699,388,213,606,656
  5. Step 5: Solve for x
    x = 366,699,388,213,606,656/695,386,905.78
  6. Step 6: Final answer
    x = 527,331,454.14

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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.