Home / 372,983,649.80-559,475,474.70-291,354,312.20

Finding the Fourth Proportional to 372,983,649.80, 559,475,474.70 and 291,354,312.20

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Solution

The fourth proportional to 372,983,649.80, 559,475,474.70 and 291,354,312.20 is: 437,031,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,983,649.80 : 559,475,474.70 = 291,354,312.20 : x
  2. Step 2: Convert to fraction form
    372,983,649.80/559,475,474.70 = 291,354,312.20/x
  3. Step 3: Cross multiply
    372,983,649.80x = 559,475,474.70 × 291,354,312.20
  4. Step 4: Simplify right side
    372,983,649.80x = 163,005,592,123,987,008
  5. Step 5: Solve for x
    x = 163,005,592,123,987,008/372,983,649.80
  6. Step 6: Final answer
    x = 437,031,468.30

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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.