Home / 1,008,613,481.10-1,512,920,221.65-804,540,137.10

Finding the Fourth Proportional to 1,008,613,481.10, 1,512,920,221.65 and 804,540,137.10

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Solution

The fourth proportional to 1,008,613,481.10, 1,512,920,221.65 and 804,540,137.10 is: 1,206,810,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,613,481.10 : 1,512,920,221.65 = 804,540,137.10 : x
  2. Step 2: Convert to fraction form
    1,008,613,481.10/1,512,920,221.65 = 804,540,137.10/x
  3. Step 3: Cross multiply
    1,008,613,481.10x = 1,512,920,221.65 × 804,540,137.10
  4. Step 4: Simplify right side
    1,008,613,481.10x = 1,217,205,042,547,653,376
  5. Step 5: Solve for x
    x = 1,217,205,042,547,653,376/1,008,613,481.10
  6. Step 6: Final answer
    x = 1,206,810,205.65

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Half scale
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Double scale
Find fourth proportional to 1,008,613,482.10, 1,512,920,223.15 and 804,540,138.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.