Home / 300,694,006.80-451,041,010.20-147,638,998.80

Finding the Fourth Proportional to 300,694,006.80, 451,041,010.20 and 147,638,998.80

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Solution

The fourth proportional to 300,694,006.80, 451,041,010.20 and 147,638,998.80 is: 221,458,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,694,006.80 : 451,041,010.20 = 147,638,998.80 : x
  2. Step 2: Convert to fraction form
    300,694,006.80/451,041,010.20 = 147,638,998.80/x
  3. Step 3: Cross multiply
    300,694,006.80x = 451,041,010.20 × 147,638,998.80
  4. Step 4: Simplify right side
    300,694,006.80x = 66,591,243,163,668,592
  5. Step 5: Solve for x
    x = 66,591,243,163,668,592/300,694,006.80
  6. Step 6: Final answer
    x = 221,458,498.20

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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.