Home / 1,412,275,891.18-1,948,891,675.71-777,137,032.30

Finding the Fourth Proportional to 1,412,275,891.18, 1,948,891,675.71 and 777,137,032.30

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Solution

The fourth proportional to 1,412,275,891.18, 1,948,891,675.71 and 777,137,032.30 is: 1,072,422,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,275,891.18 : 1,948,891,675.71 = 777,137,032.30 : x
  2. Step 2: Convert to fraction form
    1,412,275,891.18/1,948,891,675.71 = 777,137,032.30/x
  3. Step 3: Cross multiply
    1,412,275,891.18x = 1,948,891,675.71 × 777,137,032.30
  4. Step 4: Simplify right side
    1,412,275,891.18x = 1,514,555,893,135,443,456
  5. Step 5: Solve for x
    x = 1,514,555,893,135,443,456/1,412,275,891.18
  6. Step 6: Final answer
    x = 1,072,422,111.43

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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.