Home / 415,942,146.72-574,032,479.76-230,320,432.80

Finding the Fourth Proportional to 415,942,146.72, 574,032,479.76 and 230,320,432.80

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Solution

The fourth proportional to 415,942,146.72, 574,032,479.76 and 230,320,432.80 is: 317,860,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,942,146.72 : 574,032,479.76 = 230,320,432.80 : x
  2. Step 2: Convert to fraction form
    415,942,146.72/574,032,479.76 = 230,320,432.80/x
  3. Step 3: Cross multiply
    415,942,146.72x = 574,032,479.76 × 230,320,432.80
  4. Step 4: Simplify right side
    415,942,146.72x = 132,211,409,179,580,448
  5. Step 5: Solve for x
    x = 132,211,409,179,580,448/415,942,146.72
  6. Step 6: Final answer
    x = 317,860,092.38

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1.5x scale

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.