Home / 721,863,884.97-1,080,931,007.25-498,205,719.16

Finding the Fourth Proportional to 721,863,884.97, 1,080,931,007.25 and 498,205,719.16

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Solution

The fourth proportional to 721,863,884.97, 1,080,931,007.25 and 498,205,719.16 is: 746,021,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,863,884.97 : 1,080,931,007.25 = 498,205,719.16 : x
  2. Step 2: Convert to fraction form
    721,863,884.97/1,080,931,007.25 = 498,205,719.16/x
  3. Step 3: Cross multiply
    721,863,884.97x = 1,080,931,007.25 × 498,205,719.16
  4. Step 4: Simplify right side
    721,863,884.97x = 538,526,009,826,627,136
  5. Step 5: Solve for x
    x = 538,526,009,826,627,136/721,863,884.97
  6. Step 6: Final answer
    x = 746,021,543.73

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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.