Home / 646,752,318.88-970,132,677.36-258,607,757.92

Finding the Fourth Proportional to 646,752,318.88, 970,132,677.36 and 258,607,757.92

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Solution

The fourth proportional to 646,752,318.88, 970,132,677.36 and 258,607,757.92 is: 387,913,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,752,318.88 : 970,132,677.36 = 258,607,757.92 : x
  2. Step 2: Convert to fraction form
    646,752,318.88/970,132,677.36 = 258,607,757.92/x
  3. Step 3: Cross multiply
    646,752,318.88x = 970,132,677.36 × 258,607,757.92
  4. Step 4: Simplify right side
    646,752,318.88x = 250,883,836,576,996,320
  5. Step 5: Solve for x
    x = 250,883,836,576,996,320/646,752,318.88
  6. Step 6: Final answer
    x = 387,913,315.89

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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.