Home / 354,942,416.40-531,517,829.40-283,278,800.40

Finding the Fourth Proportional to 354,942,416.40, 531,517,829.40 and 283,278,800.40

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Solution

The fourth proportional to 354,942,416.40, 531,517,829.40 and 283,278,800.40 is: 424,203,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,942,416.40 : 531,517,829.40 = 283,278,800.40 : x
  2. Step 2: Convert to fraction form
    354,942,416.40/531,517,829.40 = 283,278,800.40/x
  3. Step 3: Cross multiply
    354,942,416.40x = 531,517,829.40 × 283,278,800.40
  4. Step 4: Simplify right side
    354,942,416.40x = 150,567,733,103,643,840
  5. Step 5: Solve for x
    x = 150,567,733,103,643,840/354,942,416.40
  6. Step 6: Final answer
    x = 424,203,268.32

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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.