Home / 326,646,028.40-489,969,042.60-211,004,466.80

Finding the Fourth Proportional to 326,646,028.40, 489,969,042.60 and 211,004,466.80

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Solution

The fourth proportional to 326,646,028.40, 489,969,042.60 and 211,004,466.80 is: 316,506,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,646,028.40 : 489,969,042.60 = 211,004,466.80 : x
  2. Step 2: Convert to fraction form
    326,646,028.40/489,969,042.60 = 211,004,466.80/x
  3. Step 3: Cross multiply
    326,646,028.40x = 489,969,042.60 × 211,004,466.80
  4. Step 4: Simplify right side
    326,646,028.40x = 103,385,656,582,319,504
  5. Step 5: Solve for x
    x = 103,385,656,582,319,504/326,646,028.40
  6. Step 6: Final answer
    x = 316,506,700.20

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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.