Home / 480,491,187.60-720,736,781.40-173,830,630.80

Finding the Fourth Proportional to 480,491,187.60, 720,736,781.40 and 173,830,630.80

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Solution

The fourth proportional to 480,491,187.60, 720,736,781.40 and 173,830,630.80 is: 260,745,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,491,187.60 : 720,736,781.40 = 173,830,630.80 : x
  2. Step 2: Convert to fraction form
    480,491,187.60/720,736,781.40 = 173,830,630.80/x
  3. Step 3: Cross multiply
    480,491,187.60x = 720,736,781.40 × 173,830,630.80
  4. Step 4: Simplify right side
    480,491,187.60x = 125,286,129,351,523,712
  5. Step 5: Solve for x
    x = 125,286,129,351,523,712/480,491,187.60
  6. Step 6: Final answer
    x = 260,745,946.20

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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.