Home / 290,439,704.88-400,806,800.91-160,059,512.88

Finding the Fourth Proportional to 290,439,704.88, 400,806,800.91 and 160,059,512.88

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Solution

The fourth proportional to 290,439,704.88, 400,806,800.91 and 160,059,512.88 is: 220,882,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,704.88 : 400,806,800.91 = 160,059,512.88 : x
  2. Step 2: Convert to fraction form
    290,439,704.88/400,806,800.91 = 160,059,512.88/x
  3. Step 3: Cross multiply
    290,439,704.88x = 400,806,800.91 × 160,059,512.88
  4. Step 4: Simplify right side
    290,439,704.88x = 64,152,941,312,645,744
  5. Step 5: Solve for x
    x = 64,152,941,312,645,744/290,439,704.88
  6. Step 6: Final answer
    x = 220,882,132.28

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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.