Home / 523,853,556.30-785,780,334.45-155,401,793.10

Finding the Fourth Proportional to 523,853,556.30, 785,780,334.45 and 155,401,793.10

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Solution

The fourth proportional to 523,853,556.30, 785,780,334.45 and 155,401,793.10 is: 233,102,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,853,556.30 : 785,780,334.45 = 155,401,793.10 : x
  2. Step 2: Convert to fraction form
    523,853,556.30/785,780,334.45 = 155,401,793.10/x
  3. Step 3: Cross multiply
    523,853,556.30x = 785,780,334.45 × 155,401,793.10
  4. Step 4: Simplify right side
    523,853,556.30x = 122,111,672,956,247,712
  5. Step 5: Solve for x
    x = 122,111,672,956,247,712/523,853,556.30
  6. Step 6: Final answer
    x = 233,102,689.65

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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.