Home / 436,882,980.60-655,324,470.90-265,450,174.20

Finding the Fourth Proportional to 436,882,980.60, 655,324,470.90 and 265,450,174.20

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Solution

The fourth proportional to 436,882,980.60, 655,324,470.90 and 265,450,174.20 is: 398,175,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,882,980.60 : 655,324,470.90 = 265,450,174.20 : x
  2. Step 2: Convert to fraction form
    436,882,980.60/655,324,470.90 = 265,450,174.20/x
  3. Step 3: Cross multiply
    436,882,980.60x = 655,324,470.90 × 265,450,174.20
  4. Step 4: Simplify right side
    436,882,980.60x = 173,955,994,957,927,808
  5. Step 5: Solve for x
    x = 173,955,994,957,927,808/436,882,980.60
  6. Step 6: Final answer
    x = 398,175,261.30

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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.