Home / 867,227,528.68-1,196,797,952.10-490,854,198.76

Finding the Fourth Proportional to 867,227,528.68, 1,196,797,952.10 and 490,854,198.76

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Solution

The fourth proportional to 867,227,528.68, 1,196,797,952.10 and 490,854,198.76 is: 677,392,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,227,528.68 : 1,196,797,952.10 = 490,854,198.76 : x
  2. Step 2: Convert to fraction form
    867,227,528.68/1,196,797,952.10 = 490,854,198.76/x
  3. Step 3: Cross multiply
    867,227,528.68x = 1,196,797,952.10 × 490,854,198.76
  4. Step 4: Simplify right side
    867,227,528.68x = 587,453,299,855,654,272
  5. Step 5: Solve for x
    x = 587,453,299,855,654,272/867,227,528.68
  6. Step 6: Final answer
    x = 677,392,357.17

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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.