Home / 485,949,185,241.84-728,658,052,034.58-385,862,976,115.20

Finding the Fourth Proportional to 485,949,185,241.84, 728,658,052,034.58 and 385,862,976,115.20

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Solution

The fourth proportional to 485,949,185,241.84, 728,658,052,034.58 and 385,862,976,115.20 is: 578,583,467,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,949,185,241.84 : 728,658,052,034.58 = 385,862,976,115.20 : x
  2. Step 2: Convert to fraction form
    485,949,185,241.84/728,658,052,034.58 = 385,862,976,115.20/x
  3. Step 3: Cross multiply
    485,949,185,241.84x = 728,658,052,034.58 × 385,862,976,115.20
  4. Step 4: Simplify right side
    485,949,185,241.84x = 281,162,164,528,367,278,227,456
  5. Step 5: Solve for x
    x = 281,162,164,528,367,278,227,456/485,949,185,241.84
  6. Step 6: Final answer
    x = 578,583,467,299.04

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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.