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Finding the Fourth Proportional to 299,019,877.10, 448,529,815.65 and 266,771,249.90

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Solution

The fourth proportional to 299,019,877.10, 448,529,815.65 and 266,771,249.90 is: 400,156,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,019,877.10 : 448,529,815.65 = 266,771,249.90 : x
  2. Step 2: Convert to fraction form
    299,019,877.10/448,529,815.65 = 266,771,249.90/x
  3. Step 3: Cross multiply
    299,019,877.10x = 448,529,815.65 × 266,771,249.90
  4. Step 4: Simplify right side
    299,019,877.10x = 119,654,859,538,367,072
  5. Step 5: Solve for x
    x = 119,654,859,538,367,072/299,019,877.10
  6. Step 6: Final answer
    x = 400,156,874.85

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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.