Home / 854,655,753.26-1,281,981,636.74-561,401,959.26

Finding the Fourth Proportional to 854,655,753.26, 1,281,981,636.74 and 561,401,959.26

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Solution

The fourth proportional to 854,655,753.26, 1,281,981,636.74 and 561,401,959.26 is: 842,101,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,655,753.26 : 1,281,981,636.74 = 561,401,959.26 : x
  2. Step 2: Convert to fraction form
    854,655,753.26/1,281,981,636.74 = 561,401,959.26/x
  3. Step 3: Cross multiply
    854,655,753.26x = 1,281,981,636.74 × 561,401,959.26
  4. Step 4: Simplify right side
    854,655,753.26x = 719,707,002,601,177,600
  5. Step 5: Solve for x
    x = 719,707,002,601,177,600/854,655,753.26
  6. Step 6: Final answer
    x = 842,101,629.64

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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.