Home / 1,121,649,559.56-1,547,935,651.08-675,753,289.20

Finding the Fourth Proportional to 1,121,649,559.56, 1,547,935,651.08 and 675,753,289.20

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Solution

The fourth proportional to 1,121,649,559.56, 1,547,935,651.08 and 675,753,289.20 is: 932,575,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,649,559.56 : 1,547,935,651.08 = 675,753,289.20 : x
  2. Step 2: Convert to fraction form
    1,121,649,559.56/1,547,935,651.08 = 675,753,289.20/x
  3. Step 3: Cross multiply
    1,121,649,559.56x = 1,547,935,651.08 × 675,753,289.20
  4. Step 4: Simplify right side
    1,121,649,559.56x = 1,046,022,607,687,253,504
  5. Step 5: Solve for x
    x = 1,046,022,607,687,253,504/1,121,649,559.56
  6. Step 6: Final answer
    x = 932,575,240.43

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Double scale
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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.