Home / 326,610,002.80-489,915,004.20-319,051,730.80

Finding the Fourth Proportional to 326,610,002.80, 489,915,004.20 and 319,051,730.80

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Solution

The fourth proportional to 326,610,002.80, 489,915,004.20 and 319,051,730.80 is: 478,577,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,610,002.80 : 489,915,004.20 = 319,051,730.80 : x
  2. Step 2: Convert to fraction form
    326,610,002.80/489,915,004.20 = 319,051,730.80/x
  3. Step 3: Cross multiply
    326,610,002.80x = 489,915,004.20 × 319,051,730.80
  4. Step 4: Simplify right side
    326,610,002.80x = 156,308,230,034,899,264
  5. Step 5: Solve for x
    x = 156,308,230,034,899,264/326,610,002.80
  6. Step 6: Final answer
    x = 478,577,596.20

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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.