Home / 403,103,359.20-604,207,141.20-221,480,882.40

Finding the Fourth Proportional to 403,103,359.20, 604,207,141.20 and 221,480,882.40

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Solution

The fourth proportional to 403,103,359.20, 604,207,141.20 and 221,480,882.40 is: 331,975,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,103,359.20 : 604,207,141.20 = 221,480,882.40 : x
  2. Step 2: Convert to fraction form
    403,103,359.20/604,207,141.20 = 221,480,882.40/x
  3. Step 3: Cross multiply
    403,103,359.20x = 604,207,141.20 × 221,480,882.40
  4. Step 4: Simplify right side
    403,103,359.20x = 133,820,330,785,357,408
  5. Step 5: Solve for x
    x = 133,820,330,785,357,408/403,103,359.20
  6. Step 6: Final answer
    x = 331,975,231.00

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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.