Home / 328,007,856,108.60-491,474,500,235.08-174,689,966,276.86

Finding the Fourth Proportional to 328,007,856,108.60, 491,474,500,235.08 and 174,689,966,276.86

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Solution

The fourth proportional to 328,007,856,108.60, 491,474,500,235.08 and 174,689,966,276.86 is: 261,748,803,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,007,856,108.60 : 491,474,500,235.08 = 174,689,966,276.86 : x
  2. Step 2: Convert to fraction form
    328,007,856,108.60/491,474,500,235.08 = 174,689,966,276.86/x
  3. Step 3: Cross multiply
    328,007,856,108.60x = 491,474,500,235.08 × 174,689,966,276.86
  4. Step 4: Simplify right side
    328,007,856,108.60x = 85,855,663,872,002,744,123,392
  5. Step 5: Solve for x
    x = 85,855,663,872,002,744,123,392/328,007,856,108.60
  6. Step 6: Final answer
    x = 261,748,803,490.78

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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.