Home / 631,625,851.04-871,585,179.13-349,362,217.04

Finding the Fourth Proportional to 631,625,851.04, 871,585,179.13 and 349,362,217.04

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Solution

The fourth proportional to 631,625,851.04, 871,585,179.13 and 349,362,217.04 is: 482,087,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,625,851.04 : 871,585,179.13 = 349,362,217.04 : x
  2. Step 2: Convert to fraction form
    631,625,851.04/871,585,179.13 = 349,362,217.04/x
  3. Step 3: Cross multiply
    631,625,851.04x = 871,585,179.13 × 349,362,217.04
  4. Step 4: Simplify right side
    631,625,851.04x = 304,498,930,521,367,936
  5. Step 5: Solve for x
    x = 304,498,930,521,367,936/631,625,851.04
  6. Step 6: Final answer
    x = 482,087,504.84

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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.