Home / 552,876,428-762,964,447.68-301,980,767.60

Finding the Fourth Proportional to 552,876,428, 762,964,447.68 and 301,980,767.60

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Solution

The fourth proportional to 552,876,428, 762,964,447.68 and 301,980,767.60 is: 416,730,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,876,428 : 762,964,447.68 = 301,980,767.60 : x
  2. Step 2: Convert to fraction form
    552,876,428/762,964,447.68 = 301,980,767.60/x
  3. Step 3: Cross multiply
    552,876,428x = 762,964,447.68 × 301,980,767.60
  4. Step 4: Simplify right side
    552,876,428x = 230,400,589,561,916,448
  5. Step 5: Solve for x
    x = 230,400,589,561,916,448/552,876,428
  6. Step 6: Final answer
    x = 416,730,715.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.