Home / 485,117,323.20-727,707,477.60-255,534,811.20

Finding the Fourth Proportional to 485,117,323.20, 727,707,477.60 and 255,534,811.20

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Solution

The fourth proportional to 485,117,323.20, 727,707,477.60 and 255,534,811.20 is: 383,318,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,117,323.20 : 727,707,477.60 = 255,534,811.20 : x
  2. Step 2: Convert to fraction form
    485,117,323.20/727,707,477.60 = 255,534,811.20/x
  3. Step 3: Cross multiply
    485,117,323.20x = 727,707,477.60 × 255,534,811.20
  4. Step 4: Simplify right side
    485,117,323.20x = 185,954,592,897,344,224
  5. Step 5: Solve for x
    x = 185,954,592,897,344,224/485,117,323.20
  6. Step 6: Final answer
    x = 383,318,805.58

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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.