Home / 449,039,278.44-673,583,062.95-142,355,306.16

Finding the Fourth Proportional to 449,039,278.44, 673,583,062.95 and 142,355,306.16

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Solution

The fourth proportional to 449,039,278.44, 673,583,062.95 and 142,355,306.16 is: 213,540,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,039,278.44 : 673,583,062.95 = 142,355,306.16 : x
  2. Step 2: Convert to fraction form
    449,039,278.44/673,583,062.95 = 142,355,306.16/x
  3. Step 3: Cross multiply
    449,039,278.44x = 673,583,062.95 × 142,355,306.16
  4. Step 4: Simplify right side
    449,039,278.44x = 95,888,123,150,437,808
  5. Step 5: Solve for x
    x = 95,888,123,150,437,808/449,039,278.44
  6. Step 6: Final answer
    x = 213,540,613.83

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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.