Home / 436,471,421.88-654,996,295.33-239,872,131.21

Finding the Fourth Proportional to 436,471,421.88, 654,996,295.33 and 239,872,131.21

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Solution

The fourth proportional to 436,471,421.88, 654,996,295.33 and 239,872,131.21 is: 359,967,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,471,421.88 : 654,996,295.33 = 239,872,131.21 : x
  2. Step 2: Convert to fraction form
    436,471,421.88/654,996,295.33 = 239,872,131.21/x
  3. Step 3: Cross multiply
    436,471,421.88x = 654,996,295.33 × 239,872,131.21
  4. Step 4: Simplify right side
    436,471,421.88x = 157,115,357,295,461,696
  5. Step 5: Solve for x
    x = 157,115,357,295,461,696/436,471,421.88
  6. Step 6: Final answer
    x = 359,967,112.21

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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.