Home / 1,031,622,029.40-1,547,433,044.10-664,290,010.20

Finding the Fourth Proportional to 1,031,622,029.40, 1,547,433,044.10 and 664,290,010.20

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Solution

The fourth proportional to 1,031,622,029.40, 1,547,433,044.10 and 664,290,010.20 is: 996,435,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,622,029.40 : 1,547,433,044.10 = 664,290,010.20 : x
  2. Step 2: Convert to fraction form
    1,031,622,029.40/1,547,433,044.10 = 664,290,010.20/x
  3. Step 3: Cross multiply
    1,031,622,029.40x = 1,547,433,044.10 × 664,290,010.20
  4. Step 4: Simplify right side
    1,031,622,029.40x = 1,027,944,312,649,006,080
  5. Step 5: Solve for x
    x = 1,027,944,312,649,006,080/1,031,622,029.40
  6. Step 6: Final answer
    x = 996,435,015.30

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Double scale
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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.