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Finding the Fourth Proportional to 384,347,604.60, 576,465,419.70 and 111,689,940.60

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Solution

The fourth proportional to 384,347,604.60, 576,465,419.70 and 111,689,940.60 is: 167,518,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,347,604.60 : 576,465,419.70 = 111,689,940.60 : x
  2. Step 2: Convert to fraction form
    384,347,604.60/576,465,419.70 = 111,689,940.60/x
  3. Step 3: Cross multiply
    384,347,604.60x = 576,465,419.70 × 111,689,940.60
  4. Step 4: Simplify right side
    384,347,604.60x = 64,385,388,484,247,072
  5. Step 5: Solve for x
    x = 64,385,388,484,247,072/384,347,604.60
  6. Step 6: Final answer
    x = 167,518,641.23

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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.