Home / 715,984,523.04-988,068,833.28-422,629,091.04

Finding the Fourth Proportional to 715,984,523.04, 988,068,833.28 and 422,629,091.04

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Solution

The fourth proportional to 715,984,523.04, 988,068,833.28 and 422,629,091.04 is: 583,234,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,984,523.04 : 988,068,833.28 = 422,629,091.04 : x
  2. Step 2: Convert to fraction form
    715,984,523.04/988,068,833.28 = 422,629,091.04/x
  3. Step 3: Cross multiply
    715,984,523.04x = 988,068,833.28 × 422,629,091.04
  4. Step 4: Simplify right side
    715,984,523.04x = 417,586,632,894,079,680
  5. Step 5: Solve for x
    x = 417,586,632,894,079,680/715,984,523.04
  6. Step 6: Final answer
    x = 583,234,161.43

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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.