Home / 449,568,015.95-674,370,686.33-142,851,471.95

Finding the Fourth Proportional to 449,568,015.95, 674,370,686.33 and 142,851,471.95

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Solution

The fourth proportional to 449,568,015.95, 674,370,686.33 and 142,851,471.95 is: 214,283,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,568,015.95 : 674,370,686.33 = 142,851,471.95 : x
  2. Step 2: Convert to fraction form
    449,568,015.95/674,370,686.33 = 142,851,471.95/x
  3. Step 3: Cross multiply
    449,568,015.95x = 674,370,686.33 × 142,851,471.95
  4. Step 4: Simplify right side
    449,568,015.95x = 96,334,845,181,457,984
  5. Step 5: Solve for x
    x = 96,334,845,181,457,984/449,568,015.95
  6. Step 6: Final answer
    x = 214,283,137.95

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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.