Home / 437,016,686.80-655,525,030.20-416,861,294.80

Finding the Fourth Proportional to 437,016,686.80, 655,525,030.20 and 416,861,294.80

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Solution

The fourth proportional to 437,016,686.80, 655,525,030.20 and 416,861,294.80 is: 625,291,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,016,686.80 : 655,525,030.20 = 416,861,294.80 : x
  2. Step 2: Convert to fraction form
    437,016,686.80/655,525,030.20 = 416,861,294.80/x
  3. Step 3: Cross multiply
    437,016,686.80x = 655,525,030.20 × 416,861,294.80
  4. Step 4: Simplify right side
    437,016,686.80x = 273,263,012,862,981,120
  5. Step 5: Solve for x
    x = 273,263,012,862,981,120/437,016,686.80
  6. Step 6: Final answer
    x = 625,291,942.20

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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.