Home / 326,619,333.40-489,929,000.10-223,154,987.80

Finding the Fourth Proportional to 326,619,333.40, 489,929,000.10 and 223,154,987.80

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Solution

The fourth proportional to 326,619,333.40, 489,929,000.10 and 223,154,987.80 is: 334,732,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619,333.40 : 489,929,000.10 = 223,154,987.80 : x
  2. Step 2: Convert to fraction form
    326,619,333.40/489,929,000.10 = 223,154,987.80/x
  3. Step 3: Cross multiply
    326,619,333.40x = 489,929,000.10 × 223,154,987.80
  4. Step 4: Simplify right side
    326,619,333.40x = 109,330,100,040,181,712
  5. Step 5: Solve for x
    x = 109,330,100,040,181,712/326,619,333.40
  6. Step 6: Final answer
    x = 334,732,481.70

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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.