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Finding the Fourth Proportional to 404,352,479.70, 606,528,719.55 and 323,730,911.70

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Solution

The fourth proportional to 404,352,479.70, 606,528,719.55 and 323,730,911.70 is: 485,596,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,479.70 : 606,528,719.55 = 323,730,911.70 : x
  2. Step 2: Convert to fraction form
    404,352,479.70/606,528,719.55 = 323,730,911.70/x
  3. Step 3: Cross multiply
    404,352,479.70x = 606,528,719.55 × 323,730,911.70
  4. Step 4: Simplify right side
    404,352,479.70x = 196,352,095,352,155,104
  5. Step 5: Solve for x
    x = 196,352,095,352,155,104/404,352,479.70
  6. Step 6: Final answer
    x = 485,596,367.55

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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.