Home / 39,272,148,064.40-54,195,205,347.24-21,450,800,224.40

Finding the Fourth Proportional to 39,272,148,064.40, 54,195,205,347.24 and 21,450,800,224.40

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Solution

The fourth proportional to 39,272,148,064.40, 54,195,205,347.24 and 21,450,800,224.40 is: 29,601,908,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272,148,064.40 : 54,195,205,347.24 = 21,450,800,224.40 : x
  2. Step 2: Convert to fraction form
    39,272,148,064.40/54,195,205,347.24 = 21,450,800,224.40/x
  3. Step 3: Cross multiply
    39,272,148,064.40x = 54,195,205,347.24 × 21,450,800,224.40
  4. Step 4: Simplify right side
    39,272,148,064.40x = 1,162,530,523,023,979,970,560
  5. Step 5: Solve for x
    x = 1,162,530,523,023,979,970,560/39,272,148,064.40
  6. Step 6: Final answer
    x = 29,601,908,230.68

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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.