Home / 393,650,656.40-590,472,874.20-102,517,216.40

Finding the Fourth Proportional to 393,650,656.40, 590,472,874.20 and 102,517,216.40

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Solution

The fourth proportional to 393,650,656.40, 590,472,874.20 and 102,517,216.40 is: 153,775,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,650,656.40 : 590,472,874.20 = 102,517,216.40 : x
  2. Step 2: Convert to fraction form
    393,650,656.40/590,472,874.20 = 102,517,216.40/x
  3. Step 3: Cross multiply
    393,650,656.40x = 590,472,874.20 × 102,517,216.40
  4. Step 4: Simplify right side
    393,650,656.40x = 60,533,635,422,691,384
  5. Step 5: Solve for x
    x = 60,533,635,422,691,384/393,650,656.40
  6. Step 6: Final answer
    x = 153,775,014.57

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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.