Home / 393,462,490.02-587,642,757.06-356,500,531.41

Finding the Fourth Proportional to 393,462,490.02, 587,642,757.06 and 356,500,531.41

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Solution

The fourth proportional to 393,462,490.02, 587,642,757.06 and 356,500,531.41 is: 532,439,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,462,490.02 : 587,642,757.06 = 356,500,531.41 : x
  2. Step 2: Convert to fraction form
    393,462,490.02/587,642,757.06 = 356,500,531.41/x
  3. Step 3: Cross multiply
    393,462,490.02x = 587,642,757.06 × 356,500,531.41
  4. Step 4: Simplify right side
    393,462,490.02x = 209,494,955,171,127,520
  5. Step 5: Solve for x
    x = 209,494,955,171,127,520/393,462,490.02
  6. Step 6: Final answer
    x = 532,439,458.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.