Home / 472,393,802.70-708,590,704.05-324,440,628.30

Finding the Fourth Proportional to 472,393,802.70, 708,590,704.05 and 324,440,628.30

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Solution

The fourth proportional to 472,393,802.70, 708,590,704.05 and 324,440,628.30 is: 486,660,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,802.70 : 708,590,704.05 = 324,440,628.30 : x
  2. Step 2: Convert to fraction form
    472,393,802.70/708,590,704.05 = 324,440,628.30/x
  3. Step 3: Cross multiply
    472,393,802.70x = 708,590,704.05 × 324,440,628.30
  4. Step 4: Simplify right side
    472,393,802.70x = 229,895,613,229,521,344
  5. Step 5: Solve for x
    x = 229,895,613,229,521,344/472,393,802.70
  6. Step 6: Final answer
    x = 486,660,942.45

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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.