Home / 326,592,003.30-489,888,004.95-319,033,731.30

Finding the Fourth Proportional to 326,592,003.30, 489,888,004.95 and 319,033,731.30

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Solution

The fourth proportional to 326,592,003.30, 489,888,004.95 and 319,033,731.30 is: 478,550,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,592,003.30 : 489,888,004.95 = 319,033,731.30 : x
  2. Step 2: Convert to fraction form
    326,592,003.30/489,888,004.95 = 319,033,731.30/x
  3. Step 3: Cross multiply
    326,592,003.30x = 489,888,004.95 × 319,033,731.30
  4. Step 4: Simplify right side
    326,592,003.30x = 156,290,798,138,311,360
  5. Step 5: Solve for x
    x = 156,290,798,138,311,360/326,592,003.30
  6. Step 6: Final answer
    x = 478,550,596.95

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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.