Home / 345,862,210.80-477,289,291.68-189,229,949.04

Finding the Fourth Proportional to 345,862,210.80, 477,289,291.68 and 189,229,949.04

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Solution

The fourth proportional to 345,862,210.80, 477,289,291.68 and 189,229,949.04 is: 261,137,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,862,210.80 : 477,289,291.68 = 189,229,949.04 : x
  2. Step 2: Convert to fraction form
    345,862,210.80/477,289,291.68 = 189,229,949.04/x
  3. Step 3: Cross multiply
    345,862,210.80x = 477,289,291.68 × 189,229,949.04
  4. Step 4: Simplify right side
    345,862,210.80x = 90,317,428,341,944,096
  5. Step 5: Solve for x
    x = 90,317,428,341,944,096/345,862,210.80
  6. Step 6: Final answer
    x = 261,137,023.71

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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.