Home / 555,236,446.82-827,890,713.54-539,981,765.21

Finding the Fourth Proportional to 555,236,446.82, 827,890,713.54 and 539,981,765.21

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Solution

The fourth proportional to 555,236,446.82, 827,890,713.54 and 539,981,765.21 is: 805,145,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,236,446.82 : 827,890,713.54 = 539,981,765.21 : x
  2. Step 2: Convert to fraction form
    555,236,446.82/827,890,713.54 = 539,981,765.21/x
  3. Step 3: Cross multiply
    555,236,446.82x = 827,890,713.54 × 539,981,765.21
  4. Step 4: Simplify right side
    555,236,446.82x = 447,045,888,900,365,312
  5. Step 5: Solve for x
    x = 447,045,888,900,365,312/555,236,446.82
  6. Step 6: Final answer
    x = 805,145,071.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.