Home / 436,627,240.40-654,499,961.40-217,941,237.20

Finding the Fourth Proportional to 436,627,240.40, 654,499,961.40 and 217,941,237.20

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Solution

The fourth proportional to 436,627,240.40, 654,499,961.40 and 217,941,237.20 is: 326,691,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,627,240.40 : 654,499,961.40 = 217,941,237.20 : x
  2. Step 2: Convert to fraction form
    436,627,240.40/654,499,961.40 = 217,941,237.20/x
  3. Step 3: Cross multiply
    436,627,240.40x = 654,499,961.40 × 217,941,237.20
  4. Step 4: Simplify right side
    436,627,240.40x = 142,642,531,334,868,224
  5. Step 5: Solve for x
    x = 142,642,531,334,868,224/436,627,240.40
  6. Step 6: Final answer
    x = 326,691,782.23

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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.