Home / 385,120,149.84-577,658,961.09-281,595,443.04

Finding the Fourth Proportional to 385,120,149.84, 577,658,961.09 and 281,595,443.04

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Solution

The fourth proportional to 385,120,149.84, 577,658,961.09 and 281,595,443.04 is: 422,377,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,120,149.84 : 577,658,961.09 = 281,595,443.04 : x
  2. Step 2: Convert to fraction form
    385,120,149.84/577,658,961.09 = 281,595,443.04/x
  3. Step 3: Cross multiply
    385,120,149.84x = 577,658,961.09 × 281,595,443.04
  4. Step 4: Simplify right side
    385,120,149.84x = 162,666,131,074,164,704
  5. Step 5: Solve for x
    x = 162,666,131,074,164,704/385,120,149.84
  6. Step 6: Final answer
    x = 422,377,616.81

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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.