Home / 485,093,544.20-727,671,809.10-255,511,032.20

Finding the Fourth Proportional to 485,093,544.20, 727,671,809.10 and 255,511,032.20

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Solution

The fourth proportional to 485,093,544.20, 727,671,809.10 and 255,511,032.20 is: 383,283,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,093,544.20 : 727,671,809.10 = 255,511,032.20 : x
  2. Step 2: Convert to fraction form
    485,093,544.20/727,671,809.10 = 255,511,032.20/x
  3. Step 3: Cross multiply
    485,093,544.20x = 727,671,809.10 × 255,511,032.20
  4. Step 4: Simplify right side
    485,093,544.20x = 185,928,175,045,982,336
  5. Step 5: Solve for x
    x = 185,928,175,045,982,336/485,093,544.20
  6. Step 6: Final answer
    x = 383,283,136.35

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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.