Home / 580,049,468.22-870,065,664.68-143,350,128.38

Finding the Fourth Proportional to 580,049,468.22, 870,065,664.68 and 143,350,128.38

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Solution

The fourth proportional to 580,049,468.22, 870,065,664.68 and 143,350,128.38 is: 215,023,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,049,468.22 : 870,065,664.68 = 143,350,128.38 : x
  2. Step 2: Convert to fraction form
    580,049,468.22/870,065,664.68 = 143,350,128.38/x
  3. Step 3: Cross multiply
    580,049,468.22x = 870,065,664.68 × 143,350,128.38
  4. Step 4: Simplify right side
    580,049,468.22x = 124,724,024,730,908,016
  5. Step 5: Solve for x
    x = 124,724,024,730,908,016/580,049,468.22
  6. Step 6: Final answer
    x = 215,023,082.62

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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.