Home / 961,001,791.13-1,441,357,038.29-261,548,432.57

Finding the Fourth Proportional to 961,001,791.13, 1,441,357,038.29 and 261,548,432.57

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Solution

The fourth proportional to 961,001,791.13, 1,441,357,038.29 and 261,548,432.57 is: 392,283,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,001,791.13 : 1,441,357,038.29 = 261,548,432.57 : x
  2. Step 2: Convert to fraction form
    961,001,791.13/1,441,357,038.29 = 261,548,432.57/x
  3. Step 3: Cross multiply
    961,001,791.13x = 1,441,357,038.29 × 261,548,432.57
  4. Step 4: Simplify right side
    961,001,791.13x = 376,984,674,138,486,976
  5. Step 5: Solve for x
    x = 376,984,674,138,486,976/961,001,791.13
  6. Step 6: Final answer
    x = 392,283,008.85

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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.