Home / 31,431,532,055.10-47,147,298,082.65-28,538,792,403.90

Finding the Fourth Proportional to 31,431,532,055.10, 47,147,298,082.65 and 28,538,792,403.90

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Solution

The fourth proportional to 31,431,532,055.10, 47,147,298,082.65 and 28,538,792,403.90 is: 42,808,188,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431,532,055.10 : 47,147,298,082.65 = 28,538,792,403.90 : x
  2. Step 2: Convert to fraction form
    31,431,532,055.10/47,147,298,082.65 = 28,538,792,403.90/x
  3. Step 3: Cross multiply
    31,431,532,055.10x = 47,147,298,082.65 × 28,538,792,403.90
  4. Step 4: Simplify right side
    31,431,532,055.10x = 1,345,526,952,385,541,046,272
  5. Step 5: Solve for x
    x = 1,345,526,952,385,541,046,272/31,431,532,055.10
  6. Step 6: Final answer
    x = 42,808,188,605.85

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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.