Home / 385,029,391.50-577,543,189.06-252,916,176.79

Finding the Fourth Proportional to 385,029,391.50, 577,543,189.06 and 252,916,176.79

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Solution

The fourth proportional to 385,029,391.50, 577,543,189.06 and 252,916,176.79 is: 379,373,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,029,391.50 : 577,543,189.06 = 252,916,176.79 : x
  2. Step 2: Convert to fraction form
    385,029,391.50/577,543,189.06 = 252,916,176.79/x
  3. Step 3: Cross multiply
    385,029,391.50x = 577,543,189.06 × 252,916,176.79
  4. Step 4: Simplify right side
    385,029,391.50x = 146,070,015,309,197,408
  5. Step 5: Solve for x
    x = 146,070,015,309,197,408/385,029,391.50
  6. Step 6: Final answer
    x = 379,373,675.19

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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.