Home / 402,840,045.20-604,260,067.80-322,218,477.20

Finding the Fourth Proportional to 402,840,045.20, 604,260,067.80 and 322,218,477.20

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Solution

The fourth proportional to 402,840,045.20, 604,260,067.80 and 322,218,477.20 is: 483,327,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,840,045.20 : 604,260,067.80 = 322,218,477.20 : x
  2. Step 2: Convert to fraction form
    402,840,045.20/604,260,067.80 = 322,218,477.20/x
  3. Step 3: Cross multiply
    402,840,045.20x = 604,260,067.80 × 322,218,477.20
  4. Step 4: Simplify right side
    402,840,045.20x = 194,703,758,879,284,736
  5. Step 5: Solve for x
    x = 194,703,758,879,284,736/402,840,045.20
  6. Step 6: Final answer
    x = 483,327,715.80

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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.