Home / 449,567,998.20-674,370,659.70-142,851,454.20

Finding the Fourth Proportional to 449,567,998.20, 674,370,659.70 and 142,851,454.20

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Solution

The fourth proportional to 449,567,998.20, 674,370,659.70 and 142,851,454.20 is: 214,283,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,567,998.20 : 674,370,659.70 = 142,851,454.20 : x
  2. Step 2: Convert to fraction form
    449,567,998.20/674,370,659.70 = 142,851,454.20/x
  3. Step 3: Cross multiply
    449,567,998.20x = 674,370,659.70 × 142,851,454.20
  4. Step 4: Simplify right side
    449,567,998.20x = 96,334,829,407,958,336
  5. Step 5: Solve for x
    x = 96,334,829,407,958,336/449,567,998.20
  6. Step 6: Final answer
    x = 214,283,111.33

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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.