Home / 555,236,360.29-827,890,584.65-539,981,678.53

Finding the Fourth Proportional to 555,236,360.29, 827,890,584.65 and 539,981,678.53

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Solution

The fourth proportional to 555,236,360.29, 827,890,584.65 and 539,981,678.53 is: 805,144,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,236,360.29 : 827,890,584.65 = 539,981,678.53 : x
  2. Step 2: Convert to fraction form
    555,236,360.29/827,890,584.65 = 539,981,678.53/x
  3. Step 3: Cross multiply
    555,236,360.29x = 827,890,584.65 × 539,981,678.53
  4. Step 4: Simplify right side
    555,236,360.29x = 447,045,747,538,490,048
  5. Step 5: Solve for x
    x = 447,045,747,538,490,048/555,236,360.29
  6. Step 6: Final answer
    x = 805,144,942.79

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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.