Home / 429,713,315.04-644,760,490.32-225,192,764.64

Finding the Fourth Proportional to 429,713,315.04, 644,760,490.32 and 225,192,764.64

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Solution

The fourth proportional to 429,713,315.04, 644,760,490.32 and 225,192,764.64 is: 337,888,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,713,315.04 : 644,760,490.32 = 225,192,764.64 : x
  2. Step 2: Convert to fraction form
    429,713,315.04/644,760,490.32 = 225,192,764.64/x
  3. Step 3: Cross multiply
    429,713,315.04x = 644,760,490.32 × 225,192,764.64
  4. Step 4: Simplify right side
    429,713,315.04x = 145,195,397,345,802,752
  5. Step 5: Solve for x
    x = 145,195,397,345,802,752/429,713,315.04
  6. Step 6: Final answer
    x = 337,888,988.46

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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.