Home / 326,616,720.40-489,925,080.60-223,152,374.80

Finding the Fourth Proportional to 326,616,720.40, 489,925,080.60 and 223,152,374.80

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Solution

The fourth proportional to 326,616,720.40, 489,925,080.60 and 223,152,374.80 is: 334,728,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,616,720.40 : 489,925,080.60 = 223,152,374.80 : x
  2. Step 2: Convert to fraction form
    326,616,720.40/489,925,080.60 = 223,152,374.80/x
  3. Step 3: Cross multiply
    326,616,720.40x = 489,925,080.60 × 223,152,374.80
  4. Step 4: Simplify right side
    326,616,720.40x = 109,327,945,209,971,424
  5. Step 5: Solve for x
    x = 109,327,945,209,971,424/326,616,720.40
  6. Step 6: Final answer
    x = 334,728,562.20

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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.