Home / 449,567,998.70-674,370,660.45-142,851,454.70

Finding the Fourth Proportional to 449,567,998.70, 674,370,660.45 and 142,851,454.70

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Solution

The fourth proportional to 449,567,998.70, 674,370,660.45 and 142,851,454.70 is: 214,283,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,567,998.70 : 674,370,660.45 = 142,851,454.70 : x
  2. Step 2: Convert to fraction form
    449,567,998.70/674,370,660.45 = 142,851,454.70/x
  3. Step 3: Cross multiply
    449,567,998.70x = 674,370,660.45 × 142,851,454.70
  4. Step 4: Simplify right side
    449,567,998.70x = 96,334,829,852,282,256
  5. Step 5: Solve for x
    x = 96,334,829,852,282,256/449,567,998.70
  6. Step 6: Final answer
    x = 214,283,112.08

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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.