Home / 1,008,840,640.20-1,514,394,701.10-779,824,998.60

Finding the Fourth Proportional to 1,008,840,640.20, 1,514,394,701.10 and 779,824,998.60

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Solution

The fourth proportional to 1,008,840,640.20, 1,514,394,701.10 and 779,824,998.60 is: 1,170,613,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,840,640.20 : 1,514,394,701.10 = 779,824,998.60 : x
  2. Step 2: Convert to fraction form
    1,008,840,640.20/1,514,394,701.10 = 779,824,998.60/x
  3. Step 3: Cross multiply
    1,008,840,640.20x = 1,514,394,701.10 × 779,824,998.60
  4. Step 4: Simplify right side
    1,008,840,640.20x = 1,180,962,845,665,154,816
  5. Step 5: Solve for x
    x = 1,180,962,845,665,154,816/1,008,840,640.20
  6. Step 6: Final answer
    x = 1,170,613,869.63

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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.