Home / 1,165,592,867.89-1,608,609,850.73-663,822,867.73

Finding the Fourth Proportional to 1,165,592,867.89, 1,608,609,850.73 and 663,822,867.73

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Solution

The fourth proportional to 1,165,592,867.89, 1,608,609,850.73 and 663,822,867.73 is: 916,127,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,592,867.89 : 1,608,609,850.73 = 663,822,867.73 : x
  2. Step 2: Convert to fraction form
    1,165,592,867.89/1,608,609,850.73 = 663,822,867.73/x
  3. Step 3: Cross multiply
    1,165,592,867.89x = 1,608,609,850.73 × 663,822,867.73
  4. Step 4: Simplify right side
    1,165,592,867.89x = 1,067,832,004,170,315,904
  5. Step 5: Solve for x
    x = 1,067,832,004,170,315,904/1,165,592,867.89
  6. Step 6: Final answer
    x = 916,127,778.05

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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.