Home / 1,215,230,904.20-1,822,896,122.70-353,587,896.20

Finding the Fourth Proportional to 1,215,230,904.20, 1,822,896,122.70 and 353,587,896.20

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Solution

The fourth proportional to 1,215,230,904.20, 1,822,896,122.70 and 353,587,896.20 is: 530,396,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,230,904.20 : 1,822,896,122.70 = 353,587,896.20 : x
  2. Step 2: Convert to fraction form
    1,215,230,904.20/1,822,896,122.70 = 353,587,896.20/x
  3. Step 3: Cross multiply
    1,215,230,904.20x = 1,822,896,122.70 × 353,587,896.20
  4. Step 4: Simplify right side
    1,215,230,904.20x = 644,554,005,016,630,016
  5. Step 5: Solve for x
    x = 644,554,005,016,630,016/1,215,230,904.20
  6. Step 6: Final answer
    x = 530,396,324.51

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1.5x scale

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.