Home / 1,150,235,498.38-1,587,396,121.98-634,656,218.44

Finding the Fourth Proportional to 1,150,235,498.38, 1,587,396,121.98 and 634,656,218.44

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Solution

The fourth proportional to 1,150,235,498.38, 1,587,396,121.98 and 634,656,218.44 is: 875,864,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,235,498.38 : 1,587,396,121.98 = 634,656,218.44 : x
  2. Step 2: Convert to fraction form
    1,150,235,498.38/1,587,396,121.98 = 634,656,218.44/x
  3. Step 3: Cross multiply
    1,150,235,498.38x = 1,587,396,121.98 × 634,656,218.44
  4. Step 4: Simplify right side
    1,150,235,498.38x = 1,007,450,819,942,147,840
  5. Step 5: Solve for x
    x = 1,007,450,819,942,147,840/1,150,235,498.38
  6. Step 6: Final answer
    x = 875,864,830.60

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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.