Home / 323,716,802.70-485,575,204.05-289,704,578.70

Finding the Fourth Proportional to 323,716,802.70, 485,575,204.05 and 289,704,578.70

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Solution

The fourth proportional to 323,716,802.70, 485,575,204.05 and 289,704,578.70 is: 434,556,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,716,802.70 : 485,575,204.05 = 289,704,578.70 : x
  2. Step 2: Convert to fraction form
    323,716,802.70/485,575,204.05 = 289,704,578.70/x
  3. Step 3: Cross multiply
    323,716,802.70x = 485,575,204.05 × 289,704,578.70
  4. Step 4: Simplify right side
    323,716,802.70x = 140,673,359,916,471,776
  5. Step 5: Solve for x
    x = 140,673,359,916,471,776/323,716,802.70
  6. Step 6: Final answer
    x = 434,556,868.05

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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.