Home / 425,939,601.11-639,091,797.46-134,830,422.23

Finding the Fourth Proportional to 425,939,601.11, 639,091,797.46 and 134,830,422.23

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Solution

The fourth proportional to 425,939,601.11, 639,091,797.46 and 134,830,422.23 is: 202,303,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,939,601.11 : 639,091,797.46 = 134,830,422.23 : x
  2. Step 2: Convert to fraction form
    425,939,601.11/639,091,797.46 = 134,830,422.23/x
  3. Step 3: Cross multiply
    425,939,601.11x = 639,091,797.46 × 134,830,422.23
  4. Step 4: Simplify right side
    425,939,601.11x = 86,169,016,891,728,896
  5. Step 5: Solve for x
    x = 86,169,016,891,728,896/425,939,601.11
  6. Step 6: Final answer
    x = 202,303,370.40

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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.