Home / 331,776,269.40-497,664,404.10-311,604,288.60

Finding the Fourth Proportional to 331,776,269.40, 497,664,404.10 and 311,604,288.60

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Solution

The fourth proportional to 331,776,269.40, 497,664,404.10 and 311,604,288.60 is: 467,406,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,269.40 : 497,664,404.10 = 311,604,288.60 : x
  2. Step 2: Convert to fraction form
    331,776,269.40/497,664,404.10 = 311,604,288.60/x
  3. Step 3: Cross multiply
    331,776,269.40x = 497,664,404.10 × 311,604,288.60
  4. Step 4: Simplify right side
    331,776,269.40x = 155,074,362,601,123,456
  5. Step 5: Solve for x
    x = 155,074,362,601,123,456/331,776,269.40
  6. Step 6: Final answer
    x = 467,406,432.90

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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.