Home / 326,693,684.40-490,040,526.60-144,959,233.20

Finding the Fourth Proportional to 326,693,684.40, 490,040,526.60 and 144,959,233.20

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Solution

The fourth proportional to 326,693,684.40, 490,040,526.60 and 144,959,233.20 is: 217,438,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,693,684.40 : 490,040,526.60 = 144,959,233.20 : x
  2. Step 2: Convert to fraction form
    326,693,684.40/490,040,526.60 = 144,959,233.20/x
  3. Step 3: Cross multiply
    326,693,684.40x = 490,040,526.60 × 144,959,233.20
  4. Step 4: Simplify right side
    326,693,684.40x = 71,035,898,972,860,200
  5. Step 5: Solve for x
    x = 71,035,898,972,860,200/326,693,684.40
  6. Step 6: Final answer
    x = 217,438,849.80

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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.