Home / 437,034,872.80-655,552,309.20-416,879,480.80

Finding the Fourth Proportional to 437,034,872.80, 655,552,309.20 and 416,879,480.80

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Solution

The fourth proportional to 437,034,872.80, 655,552,309.20 and 416,879,480.80 is: 625,319,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,034,872.80 : 655,552,309.20 = 416,879,480.80 : x
  2. Step 2: Convert to fraction form
    437,034,872.80/655,552,309.20 = 416,879,480.80/x
  3. Step 3: Cross multiply
    437,034,872.80x = 655,552,309.20 × 416,879,480.80
  4. Step 4: Simplify right side
    437,034,872.80x = 273,286,306,296,537,088
  5. Step 5: Solve for x
    x = 273,286,306,296,537,088/437,034,872.80
  6. Step 6: Final answer
    x = 625,319,221.20

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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.