Home / 461,352,998.49-636,598,649.43-280,205,714.30

Finding the Fourth Proportional to 461,352,998.49, 636,598,649.43 and 280,205,714.30

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Solution

The fourth proportional to 461,352,998.49, 636,598,649.43 and 280,205,714.30 is: 386,642,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,352,998.49 : 636,598,649.43 = 280,205,714.30 : x
  2. Step 2: Convert to fraction form
    461,352,998.49/636,598,649.43 = 280,205,714.30/x
  3. Step 3: Cross multiply
    461,352,998.49x = 636,598,649.43 × 280,205,714.30
  4. Step 4: Simplify right side
    461,352,998.49x = 178,378,579,282,064,928
  5. Step 5: Solve for x
    x = 178,378,579,282,064,928/461,352,998.49
  6. Step 6: Final answer
    x = 386,642,288.80

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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.