Home / 427,258,176.59-589,640,994.55-239,084,827.65

Finding the Fourth Proportional to 427,258,176.59, 589,640,994.55 and 239,084,827.65

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Solution

The fourth proportional to 427,258,176.59, 589,640,994.55 and 239,084,827.65 is: 329,950,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,258,176.59 : 589,640,994.55 = 239,084,827.65 : x
  2. Step 2: Convert to fraction form
    427,258,176.59/589,640,994.55 = 239,084,827.65/x
  3. Step 3: Cross multiply
    427,258,176.59x = 589,640,994.55 × 239,084,827.65
  4. Step 4: Simplify right side
    427,258,176.59x = 140,974,215,557,361,328
  5. Step 5: Solve for x
    x = 140,974,215,557,361,328/427,258,176.59
  6. Step 6: Final answer
    x = 329,950,889.84

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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.