Home / 608,215,470.80-839,353,876.71-343,937,001.92

Finding the Fourth Proportional to 608,215,470.80, 839,353,876.71 and 343,937,001.92

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Solution

The fourth proportional to 608,215,470.80, 839,353,876.71 and 343,937,001.92 is: 474,642,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,215,470.80 : 839,353,876.71 = 343,937,001.92 : x
  2. Step 2: Convert to fraction form
    608,215,470.80/839,353,876.71 = 343,937,001.92/x
  3. Step 3: Cross multiply
    608,215,470.80x = 839,353,876.71 × 343,937,001.92
  4. Step 4: Simplify right side
    608,215,470.80x = 288,684,855,905,566,720
  5. Step 5: Solve for x
    x = 288,684,855,905,566,720/608,215,470.80
  6. Step 6: Final answer
    x = 474,642,408.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.