Home / 415,100,086.80-572,844,929.10-247,850,961.57

Finding the Fourth Proportional to 415,100,086.80, 572,844,929.10 and 247,850,961.57

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Solution

The fourth proportional to 415,100,086.80, 572,844,929.10 and 247,850,961.57 is: 342,038,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,100,086.80 : 572,844,929.10 = 247,850,961.57 : x
  2. Step 2: Convert to fraction form
    415,100,086.80/572,844,929.10 = 247,850,961.57/x
  3. Step 3: Cross multiply
    415,100,086.80x = 572,844,929.10 × 247,850,961.57
  4. Step 4: Simplify right side
    415,100,086.80x = 141,980,166,507,933,472
  5. Step 5: Solve for x
    x = 141,980,166,507,933,472/415,100,086.80
  6. Step 6: Final answer
    x = 342,038,392.72

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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.