Home / 1,040,127,376.77-1,560,727,468.02-487,485,949.71

Finding the Fourth Proportional to 1,040,127,376.77, 1,560,727,468.02 and 487,485,949.71

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Solution

The fourth proportional to 1,040,127,376.77, 1,560,727,468.02 and 487,485,949.71 is: 731,480,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,127,376.77 : 1,560,727,468.02 = 487,485,949.71 : x
  2. Step 2: Convert to fraction form
    1,040,127,376.77/1,560,727,468.02 = 487,485,949.71/x
  3. Step 3: Cross multiply
    1,040,127,376.77x = 1,560,727,468.02 × 487,485,949.71
  4. Step 4: Simplify right side
    1,040,127,376.77x = 760,832,711,986,213,248
  5. Step 5: Solve for x
    x = 760,832,711,986,213,248/1,040,127,376.77
  6. Step 6: Final answer
    x = 731,480,325.37

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Double scale
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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.