Home / 38,803,969,681.80-58,205,954,522.70-21,172,032,760.20

Finding the Fourth Proportional to 38,803,969,681.80, 58,205,954,522.70 and 21,172,032,760.20

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Solution

The fourth proportional to 38,803,969,681.80, 58,205,954,522.70 and 21,172,032,760.20 is: 31,758,049,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803,969,681.80 : 58,205,954,522.70 = 21,172,032,760.20 : x
  2. Step 2: Convert to fraction form
    38,803,969,681.80/58,205,954,522.70 = 21,172,032,760.20/x
  3. Step 3: Cross multiply
    38,803,969,681.80x = 58,205,954,522.70 × 21,172,032,760.20
  4. Step 4: Simplify right side
    38,803,969,681.80x = 1,232,338,375,993,315,819,520
  5. Step 5: Solve for x
    x = 1,232,338,375,993,315,819,520/38,803,969,681.80
  6. Step 6: Final answer
    x = 31,758,049,140.30

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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.