Home / 574,128,015.20-861,192,022.80-328,232,232.80

Finding the Fourth Proportional to 574,128,015.20, 861,192,022.80 and 328,232,232.80

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Solution

The fourth proportional to 574,128,015.20, 861,192,022.80 and 328,232,232.80 is: 492,348,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,128,015.20 : 861,192,022.80 = 328,232,232.80 : x
  2. Step 2: Convert to fraction form
    574,128,015.20/861,192,022.80 = 328,232,232.80/x
  3. Step 3: Cross multiply
    574,128,015.20x = 861,192,022.80 × 328,232,232.80
  4. Step 4: Simplify right side
    574,128,015.20x = 282,670,980,513,192,512
  5. Step 5: Solve for x
    x = 282,670,980,513,192,512/574,128,015.20
  6. Step 6: Final answer
    x = 492,348,349.20

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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.