Home / 39,272,148,062.40-54,195,205,344.48-21,450,800,222.40

Finding the Fourth Proportional to 39,272,148,062.40, 54,195,205,344.48 and 21,450,800,222.40

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Solution

The fourth proportional to 39,272,148,062.40, 54,195,205,344.48 and 21,450,800,222.40 is: 29,601,908,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272,148,062.40 : 54,195,205,344.48 = 21,450,800,222.40 : x
  2. Step 2: Convert to fraction form
    39,272,148,062.40/54,195,205,344.48 = 21,450,800,222.40/x
  3. Step 3: Cross multiply
    39,272,148,062.40x = 54,195,205,344.48 × 21,450,800,222.40
  4. Step 4: Simplify right side
    39,272,148,062.40x = 1,162,530,522,856,385,413,120
  5. Step 5: Solve for x
    x = 1,162,530,522,856,385,413,120/39,272,148,062.40
  6. Step 6: Final answer
    x = 29,601,908,227.92

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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.