Home / 747,486,015.40-1,121,229,023.10-441,375,999.40

Finding the Fourth Proportional to 747,486,015.40, 1,121,229,023.10 and 441,375,999.40

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Solution

The fourth proportional to 747,486,015.40, 1,121,229,023.10 and 441,375,999.40 is: 662,063,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,486,015.40 : 1,121,229,023.10 = 441,375,999.40 : x
  2. Step 2: Convert to fraction form
    747,486,015.40/1,121,229,023.10 = 441,375,999.40/x
  3. Step 3: Cross multiply
    747,486,015.40x = 1,121,229,023.10 × 441,375,999.40
  4. Step 4: Simplify right side
    747,486,015.40x = 494,883,580,627,048,128
  5. Step 5: Solve for x
    x = 494,883,580,627,048,128/747,486,015.40
  6. Step 6: Final answer
    x = 662,063,999.10

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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.