Home / 321,656,777.70-482,485,166.55-268,087,524.90

Finding the Fourth Proportional to 321,656,777.70, 482,485,166.55 and 268,087,524.90

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Solution

The fourth proportional to 321,656,777.70, 482,485,166.55 and 268,087,524.90 is: 402,131,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,656,777.70 : 482,485,166.55 = 268,087,524.90 : x
  2. Step 2: Convert to fraction form
    321,656,777.70/482,485,166.55 = 268,087,524.90/x
  3. Step 3: Cross multiply
    321,656,777.70x = 482,485,166.55 × 268,087,524.90
  4. Step 4: Simplify right side
    321,656,777.70x = 129,348,254,101,353,776
  5. Step 5: Solve for x
    x = 129,348,254,101,353,776/321,656,777.70
  6. Step 6: Final answer
    x = 402,131,287.35

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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.