Home / 485,671,524.50-728,344,151.57-158,069,991.40

Finding the Fourth Proportional to 485,671,524.50, 728,344,151.57 and 158,069,991.40

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Solution

The fourth proportional to 485,671,524.50, 728,344,151.57 and 158,069,991.40 is: 237,051,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,671,524.50 : 728,344,151.57 = 158,069,991.40 : x
  2. Step 2: Convert to fraction form
    485,671,524.50/728,344,151.57 = 158,069,991.40/x
  3. Step 3: Cross multiply
    485,671,524.50x = 728,344,151.57 × 158,069,991.40
  4. Step 4: Simplify right side
    485,671,524.50x = 115,129,353,774,910,208
  5. Step 5: Solve for x
    x = 115,129,353,774,910,208/485,671,524.50
  6. Step 6: Final answer
    x = 237,051,892.00

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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.