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Finding the Fourth Proportional to 1,904,179,642.68, 2,854,965,508.74 and 969,693,591.72

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Solution

The fourth proportional to 1,904,179,642.68, 2,854,965,508.74 and 969,693,591.72 is: 1,453,876,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,179,642.68 : 2,854,965,508.74 = 969,693,591.72 : x
  2. Step 2: Convert to fraction form
    1,904,179,642.68/2,854,965,508.74 = 969,693,591.72/x
  3. Step 3: Cross multiply
    1,904,179,642.68x = 2,854,965,508.74 × 969,693,591.72
  4. Step 4: Simplify right side
    1,904,179,642.68x = 2,768,441,758,406,807,552
  5. Step 5: Solve for x
    x = 2,768,441,758,406,807,552/1,904,179,642.68
  6. Step 6: Final answer
    x = 1,453,876,355.13

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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.