Home / 256,609,931.70-384,914,897.55-251,508,098.10

Finding the Fourth Proportional to 256,609,931.70, 384,914,897.55 and 251,508,098.10

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Solution

The fourth proportional to 256,609,931.70, 384,914,897.55 and 251,508,098.10 is: 377,262,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,931.70 : 384,914,897.55 = 251,508,098.10 : x
  2. Step 2: Convert to fraction form
    256,609,931.70/384,914,897.55 = 251,508,098.10/x
  3. Step 3: Cross multiply
    256,609,931.70x = 384,914,897.55 × 251,508,098.10
  4. Step 4: Simplify right side
    256,609,931.70x = 96,809,213,813,156,848
  5. Step 5: Solve for x
    x = 96,809,213,813,156,848/256,609,931.70
  6. Step 6: Final answer
    x = 377,262,147.15

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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.