Home / 438,312,325.17-658,517,362.71-281,053,445.20

Finding the Fourth Proportional to 438,312,325.17, 658,517,362.71 and 281,053,445.20

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Solution

The fourth proportional to 438,312,325.17, 658,517,362.71 and 281,053,445.20 is: 422,252,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,312,325.17 : 658,517,362.71 = 281,053,445.20 : x
  2. Step 2: Convert to fraction form
    438,312,325.17/658,517,362.71 = 281,053,445.20/x
  3. Step 3: Cross multiply
    438,312,325.17x = 658,517,362.71 × 281,053,445.20
  4. Step 4: Simplify right side
    438,312,325.17x = 185,078,573,511,314,560
  5. Step 5: Solve for x
    x = 185,078,573,511,314,560/438,312,325.17
  6. Step 6: Final answer
    x = 422,252,724.56

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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.