Home / 432,532,230.40-648,869,107.20-141,314,809.60

Finding the Fourth Proportional to 432,532,230.40, 648,869,107.20 and 141,314,809.60

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Solution

The fourth proportional to 432,532,230.40, 648,869,107.20 and 141,314,809.60 is: 211,995,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,532,230.40 : 648,869,107.20 = 141,314,809.60 : x
  2. Step 2: Convert to fraction form
    432,532,230.40/648,869,107.20 = 141,314,809.60/x
  3. Step 3: Cross multiply
    432,532,230.40x = 648,869,107.20 × 141,314,809.60
  4. Step 4: Simplify right side
    432,532,230.40x = 91,694,814,339,289,984
  5. Step 5: Solve for x
    x = 91,694,814,339,289,984/432,532,230.40
  6. Step 6: Final answer
    x = 211,995,333.28

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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.