Home / 38,264,359,078.80-57,396,538,618.20-30,274,887,661.20

Finding the Fourth Proportional to 38,264,359,078.80, 57,396,538,618.20 and 30,274,887,661.20

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Solution

The fourth proportional to 38,264,359,078.80, 57,396,538,618.20 and 30,274,887,661.20 is: 45,412,331,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,264,359,078.80 : 57,396,538,618.20 = 30,274,887,661.20 : x
  2. Step 2: Convert to fraction form
    38,264,359,078.80/57,396,538,618.20 = 30,274,887,661.20/x
  3. Step 3: Cross multiply
    38,264,359,078.80x = 57,396,538,618.20 × 30,274,887,661.20
  4. Step 4: Simplify right side
    38,264,359,078.80x = 1,737,673,758,807,732,518,912
  5. Step 5: Solve for x
    x = 1,737,673,758,807,732,518,912/38,264,359,078.80
  6. Step 6: Final answer
    x = 45,412,331,491.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.