Home / 323,704,005.40-485,556,008.10-318,329,234.20

Finding the Fourth Proportional to 323,704,005.40, 485,556,008.10 and 318,329,234.20

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Solution

The fourth proportional to 323,704,005.40, 485,556,008.10 and 318,329,234.20 is: 477,493,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,704,005.40 : 485,556,008.10 = 318,329,234.20 : x
  2. Step 2: Convert to fraction form
    323,704,005.40/485,556,008.10 = 318,329,234.20/x
  3. Step 3: Cross multiply
    323,704,005.40x = 485,556,008.10 × 318,329,234.20
  4. Step 4: Simplify right side
    323,704,005.40x = 154,566,672,219,681,984
  5. Step 5: Solve for x
    x = 154,566,672,219,681,984/323,704,005.40
  6. Step 6: Final answer
    x = 477,493,851.30

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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.