Home / 1,202,060,472.28-1,800,499,199.46-811,736,959.48

Finding the Fourth Proportional to 1,202,060,472.28, 1,800,499,199.46 and 811,736,959.48

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Solution

The fourth proportional to 1,202,060,472.28, 1,800,499,199.46 and 811,736,959.48 is: 1,215,855,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,060,472.28 : 1,800,499,199.46 = 811,736,959.48 : x
  2. Step 2: Convert to fraction form
    1,202,060,472.28/1,800,499,199.46 = 811,736,959.48/x
  3. Step 3: Cross multiply
    1,202,060,472.28x = 1,800,499,199.46 × 811,736,959.48
  4. Step 4: Simplify right side
    1,202,060,472.28x = 1,461,531,745,715,834,624
  5. Step 5: Solve for x
    x = 1,461,531,745,715,834,624/1,202,060,472.28
  6. Step 6: Final answer
    x = 1,215,855,424.43

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Double scale
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1.5x scale

Why These Related Problems?

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