Home / 329,952,021.20-495,456,799.80-262,356,808.40

Finding the Fourth Proportional to 329,952,021.20, 495,456,799.80 and 262,356,808.40

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Solution

The fourth proportional to 329,952,021.20, 495,456,799.80 and 262,356,808.40 is: 393,955,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,952,021.20 : 495,456,799.80 = 262,356,808.40 : x
  2. Step 2: Convert to fraction form
    329,952,021.20/495,456,799.80 = 262,356,808.40/x
  3. Step 3: Cross multiply
    329,952,021.20x = 495,456,799.80 × 262,356,808.40
  4. Step 4: Simplify right side
    329,952,021.20x = 129,986,464,695,605,760
  5. Step 5: Solve for x
    x = 129,986,464,695,605,760/329,952,021.20
  6. Step 6: Final answer
    x = 393,955,655.20

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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.