Home / 762,452,471.46-1,138,544,340.37-622,670,224.59

Finding the Fourth Proportional to 762,452,471.46, 1,138,544,340.37 and 622,670,224.59

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Solution

The fourth proportional to 762,452,471.46, 1,138,544,340.37 and 622,670,224.59 is: 929,812,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,452,471.46 : 1,138,544,340.37 = 622,670,224.59 : x
  2. Step 2: Convert to fraction form
    762,452,471.46/1,138,544,340.37 = 622,670,224.59/x
  3. Step 3: Cross multiply
    762,452,471.46x = 1,138,544,340.37 × 622,670,224.59
  4. Step 4: Simplify right side
    762,452,471.46x = 708,937,660,123,861,248
  5. Step 5: Solve for x
    x = 708,937,660,123,861,248/762,452,471.46
  6. Step 6: Final answer
    x = 929,812,265.89

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.