Home / 658,940,014.78-909,334,724.96-361,587,232.04

Finding the Fourth Proportional to 658,940,014.78, 909,334,724.96 and 361,587,232.04

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Solution

The fourth proportional to 658,940,014.78, 909,334,724.96 and 361,587,232.04 is: 498,989,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,940,014.78 : 909,334,724.96 = 361,587,232.04 : x
  2. Step 2: Convert to fraction form
    658,940,014.78/909,334,724.96 = 361,587,232.04/x
  3. Step 3: Cross multiply
    658,940,014.78x = 909,334,724.96 × 361,587,232.04
  4. Step 4: Simplify right side
    658,940,014.78x = 328,803,826,192,498,432
  5. Step 5: Solve for x
    x = 328,803,826,192,498,432/658,940,014.78
  6. Step 6: Final answer
    x = 498,989,010.86

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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.