Home / 958,932,300.60-1,438,398,450.90-442,371,648.60

Finding the Fourth Proportional to 958,932,300.60, 1,438,398,450.90 and 442,371,648.60

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Solution

The fourth proportional to 958,932,300.60, 1,438,398,450.90 and 442,371,648.60 is: 663,557,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,932,300.60 : 1,438,398,450.90 = 442,371,648.60 : x
  2. Step 2: Convert to fraction form
    958,932,300.60/1,438,398,450.90 = 442,371,648.60/x
  3. Step 3: Cross multiply
    958,932,300.60x = 1,438,398,450.90 × 442,371,648.60
  4. Step 4: Simplify right side
    958,932,300.60x = 636,306,694,068,319,232
  5. Step 5: Solve for x
    x = 636,306,694,068,319,232/958,932,300.60
  6. Step 6: Final answer
    x = 663,557,472.90

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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.