Home / 438,142,162.20-604,633,985.82-239,900,057.88

Finding the Fourth Proportional to 438,142,162.20, 604,633,985.82 and 239,900,057.88

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Solution

The fourth proportional to 438,142,162.20, 604,633,985.82 and 239,900,057.88 is: 331,060,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,142,162.20 : 604,633,985.82 = 239,900,057.88 : x
  2. Step 2: Convert to fraction form
    438,142,162.20/604,633,985.82 = 239,900,057.88/x
  3. Step 3: Cross multiply
    438,142,162.20x = 604,633,985.82 × 239,900,057.88
  4. Step 4: Simplify right side
    438,142,162.20x = 145,051,728,194,433,120
  5. Step 5: Solve for x
    x = 145,051,728,194,433,120/438,142,162.20
  6. Step 6: Final answer
    x = 331,060,876.37

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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.