Home / 833,571,008.40-1,250,356,512.60-220,155,234.15

Finding the Fourth Proportional to 833,571,008.40, 1,250,356,512.60 and 220,155,234.15

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Solution

The fourth proportional to 833,571,008.40, 1,250,356,512.60 and 220,155,234.15 is: 330,232,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,571,008.40 : 1,250,356,512.60 = 220,155,234.15 : x
  2. Step 2: Convert to fraction form
    833,571,008.40/1,250,356,512.60 = 220,155,234.15/x
  3. Step 3: Cross multiply
    833,571,008.40x = 1,250,356,512.60 × 220,155,234.15
  4. Step 4: Simplify right side
    833,571,008.40x = 275,272,530,802,430,400
  5. Step 5: Solve for x
    x = 275,272,530,802,430,400/833,571,008.40
  6. Step 6: Final answer
    x = 330,232,851.23

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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.