Home / 485,093,542.20-727,671,806.10-255,511,030.20

Finding the Fourth Proportional to 485,093,542.20, 727,671,806.10 and 255,511,030.20

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Solution

The fourth proportional to 485,093,542.20, 727,671,806.10 and 255,511,030.20 is: 383,283,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,093,542.20 : 727,671,806.10 = 255,511,030.20 : x
  2. Step 2: Convert to fraction form
    485,093,542.20/727,671,806.10 = 255,511,030.20/x
  3. Step 3: Cross multiply
    485,093,542.20x = 727,671,806.10 × 255,511,030.20
  4. Step 4: Simplify right side
    485,093,542.20x = 185,928,172,824,105,632
  5. Step 5: Solve for x
    x = 185,928,172,824,105,632/485,093,542.20
  6. Step 6: Final answer
    x = 383,283,133.35

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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.