Home / 399,371,437.60-598,773,721.20-153,633,119.20

Finding the Fourth Proportional to 399,371,437.60, 598,773,721.20 and 153,633,119.20

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Solution

The fourth proportional to 399,371,437.60, 598,773,721.20 and 153,633,119.20 is: 230,340,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,371,437.60 : 598,773,721.20 = 153,633,119.20 : x
  2. Step 2: Convert to fraction form
    399,371,437.60/598,773,721.20 = 153,633,119.20/x
  3. Step 3: Cross multiply
    399,371,437.60x = 598,773,721.20 × 153,633,119.20
  4. Step 4: Simplify right side
    399,371,437.60x = 91,991,474,482,947,168
  5. Step 5: Solve for x
    x = 91,991,474,482,947,168/399,371,437.60
  6. Step 6: Final answer
    x = 230,340,644.88

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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.