Home / 1,165,338,647.96-1,608,148,566.42-636,691,282.88

Finding the Fourth Proportional to 1,165,338,647.96, 1,608,148,566.42 and 636,691,282.88

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Solution

The fourth proportional to 1,165,338,647.96, 1,608,148,566.42 and 636,691,282.88 is: 878,623,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,338,647.96 : 1,608,148,566.42 = 636,691,282.88 : x
  2. Step 2: Convert to fraction form
    1,165,338,647.96/1,608,148,566.42 = 636,691,282.88/x
  3. Step 3: Cross multiply
    1,165,338,647.96x = 1,608,148,566.42 × 636,691,282.88
  4. Step 4: Simplify right side
    1,165,338,647.96x = 1,023,894,173,815,582,720
  5. Step 5: Solve for x
    x = 1,023,894,173,815,582,720/1,165,338,647.96
  6. Step 6: Final answer
    x = 878,623,716.47

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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.