Home / 399,132,234.90-598,699,823.16-122,781,534.66

Finding the Fourth Proportional to 399,132,234.90, 598,699,823.16 and 122,781,534.66

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Solution

The fourth proportional to 399,132,234.90, 598,699,823.16 and 122,781,534.66 is: 184,172,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,132,234.90 : 598,699,823.16 = 122,781,534.66 : x
  2. Step 2: Convert to fraction form
    399,132,234.90/598,699,823.16 = 122,781,534.66/x
  3. Step 3: Cross multiply
    399,132,234.90x = 598,699,823.16 × 122,781,534.66
  4. Step 4: Simplify right side
    399,132,234.90x = 73,509,283,088,255,408
  5. Step 5: Solve for x
    x = 73,509,283,088,255,408/399,132,234.90
  6. Step 6: Final answer
    x = 184,172,754.44

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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.