Home / 328,361,401.20-492,217,237.80-155,534,444.40

Finding the Fourth Proportional to 328,361,401.20, 492,217,237.80 and 155,534,444.40

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Solution

The fourth proportional to 328,361,401.20, 492,217,237.80 and 155,534,444.40 is: 233,147,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,361,401.20 : 492,217,237.80 = 155,534,444.40 : x
  2. Step 2: Convert to fraction form
    328,361,401.20/492,217,237.80 = 155,534,444.40/x
  3. Step 3: Cross multiply
    328,361,401.20x = 492,217,237.80 × 155,534,444.40
  4. Step 4: Simplify right side
    328,361,401.20x = 76,556,734,605,325,680
  5. Step 5: Solve for x
    x = 76,556,734,605,325,680/328,361,401.20
  6. Step 6: Final answer
    x = 233,147,788.76

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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.