Home / 461,353,010.37-636,598,665.81-280,205,726.19

Finding the Fourth Proportional to 461,353,010.37, 636,598,665.81 and 280,205,726.19

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Solution

The fourth proportional to 461,353,010.37, 636,598,665.81 and 280,205,726.19 is: 386,642,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,353,010.37 : 636,598,665.81 = 280,205,726.19 : x
  2. Step 2: Convert to fraction form
    461,353,010.37/636,598,665.81 = 280,205,726.19/x
  3. Step 3: Cross multiply
    461,353,010.37x = 636,598,665.81 × 280,205,726.19
  4. Step 4: Simplify right side
    461,353,010.37x = 178,378,591,444,876,160
  5. Step 5: Solve for x
    x = 178,378,591,444,876,160/461,353,010.37
  6. Step 6: Final answer
    x = 386,642,305.21

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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.