Home / 422,597,126.42-583,096,704.45-243,977,919.52

Finding the Fourth Proportional to 422,597,126.42, 583,096,704.45 and 243,977,919.52

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Solution

The fourth proportional to 422,597,126.42, 583,096,704.45 and 243,977,919.52 is: 336,639,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,597,126.42 : 583,096,704.45 = 243,977,919.52 : x
  2. Step 2: Convert to fraction form
    422,597,126.42/583,096,704.45 = 243,977,919.52/x
  3. Step 3: Cross multiply
    422,597,126.42x = 583,096,704.45 × 243,977,919.52
  4. Step 4: Simplify right side
    422,597,126.42x = 142,262,720,830,679,344
  5. Step 5: Solve for x
    x = 142,262,720,830,679,344/422,597,126.42
  6. Step 6: Final answer
    x = 336,639,110.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.