Home / 480,491,179.60-720,736,769.40-173,830,622.80

Finding the Fourth Proportional to 480,491,179.60, 720,736,769.40 and 173,830,622.80

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Solution

The fourth proportional to 480,491,179.60, 720,736,769.40 and 173,830,622.80 is: 260,745,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,491,179.60 : 720,736,769.40 = 173,830,622.80 : x
  2. Step 2: Convert to fraction form
    480,491,179.60/720,736,769.40 = 173,830,622.80/x
  3. Step 3: Cross multiply
    480,491,179.60x = 720,736,769.40 × 173,830,622.80
  4. Step 4: Simplify right side
    480,491,179.60x = 125,286,121,499,661,984
  5. Step 5: Solve for x
    x = 125,286,121,499,661,984/480,491,179.60
  6. Step 6: Final answer
    x = 260,745,934.20

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1.5x scale

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.