Home / 323,704,021.90-485,556,032.85-318,329,250.70

Finding the Fourth Proportional to 323,704,021.90, 485,556,032.85 and 318,329,250.70

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Solution

The fourth proportional to 323,704,021.90, 485,556,032.85 and 318,329,250.70 is: 477,493,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,704,021.90 : 485,556,032.85 = 318,329,250.70 : x
  2. Step 2: Convert to fraction form
    323,704,021.90/485,556,032.85 = 318,329,250.70/x
  3. Step 3: Cross multiply
    323,704,021.90x = 485,556,032.85 × 318,329,250.70
  4. Step 4: Simplify right side
    323,704,021.90x = 154,566,688,110,005,088
  5. Step 5: Solve for x
    x = 154,566,688,110,005,088/323,704,021.90
  6. Step 6: Final answer
    x = 477,493,876.05

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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.