Home / 928,723,258.30-1,393,084,865.64-338,557,747.18

Finding the Fourth Proportional to 928,723,258.30, 1,393,084,865.64 and 338,557,747.18

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Solution

The fourth proportional to 928,723,258.30, 1,393,084,865.64 and 338,557,747.18 is: 507,836,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,723,258.30 : 1,393,084,865.64 = 338,557,747.18 : x
  2. Step 2: Convert to fraction form
    928,723,258.30/1,393,084,865.64 = 338,557,747.18/x
  3. Step 3: Cross multiply
    928,723,258.30x = 1,393,084,865.64 × 338,557,747.18
  4. Step 4: Simplify right side
    928,723,258.30x = 471,639,673,741,631,424
  5. Step 5: Solve for x
    x = 471,639,673,741,631,424/928,723,258.30
  6. Step 6: Final answer
    x = 507,836,612.82

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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.