Home / 1,213,811,181.44-1,675,059,414.22-656,894,228.50

Finding the Fourth Proportional to 1,213,811,181.44, 1,675,059,414.22 and 656,894,228.50

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Solution

The fourth proportional to 1,213,811,181.44, 1,675,059,414.22 and 656,894,228.50 is: 906,514,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,811,181.44 : 1,675,059,414.22 = 656,894,228.50 : x
  2. Step 2: Convert to fraction form
    1,213,811,181.44/1,675,059,414.22 = 656,894,228.50/x
  3. Step 3: Cross multiply
    1,213,811,181.44x = 1,675,059,414.22 × 656,894,228.50
  4. Step 4: Simplify right side
    1,213,811,181.44x = 1,100,336,861,595,708,800
  5. Step 5: Solve for x
    x = 1,100,336,861,595,708,800/1,213,811,181.44
  6. Step 6: Final answer
    x = 906,514,026.58

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Double scale
Find fourth proportional to 1,213,811,182.44, 1,675,059,415.60 and 656,894,229.50
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1.5x scale

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.