Home / 21,450,057,517.91-29,605,177,645.72-14,203,323,271.22

Finding the Fourth Proportional to 21,450,057,517.91, 29,605,177,645.72 and 14,203,323,271.22

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Solution

The fourth proportional to 21,450,057,517.91, 29,605,177,645.72 and 14,203,323,271.22 is: 19,603,299,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,057,517.91 : 29,605,177,645.72 = 14,203,323,271.22 : x
  2. Step 2: Convert to fraction form
    21,450,057,517.91/29,605,177,645.72 = 14,203,323,271.22/x
  3. Step 3: Cross multiply
    21,450,057,517.91x = 29,605,177,645.72 × 14,203,323,271.22
  4. Step 4: Simplify right side
    21,450,057,517.91x = 420,491,908,603,866,382,336
  5. Step 5: Solve for x
    x = 420,491,908,603,866,382,336/21,450,057,517.91
  6. Step 6: Final answer
    x = 19,603,299,816.46

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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.