Home / 387,240,184.65-534,375,905.68-211,024,424.25

Finding the Fourth Proportional to 387,240,184.65, 534,375,905.68 and 211,024,424.25

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Solution

The fourth proportional to 387,240,184.65, 534,375,905.68 and 211,024,424.25 is: 291,205,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,240,184.65 : 534,375,905.68 = 211,024,424.25 : x
  2. Step 2: Convert to fraction form
    387,240,184.65/534,375,905.68 = 211,024,424.25/x
  3. Step 3: Cross multiply
    387,240,184.65x = 534,375,905.68 × 211,024,424.25
  4. Step 4: Simplify right side
    387,240,184.65x = 112,766,367,829,194,304
  5. Step 5: Solve for x
    x = 112,766,367,829,194,304/387,240,184.65
  6. Step 6: Final answer
    x = 291,205,232.05

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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.