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Finding the Fourth Proportional to 269,577,914.20, 404,366,871.30 and 258,996,333.40

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Solution

The fourth proportional to 269,577,914.20, 404,366,871.30 and 258,996,333.40 is: 388,494,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,577,914.20 : 404,366,871.30 = 258,996,333.40 : x
  2. Step 2: Convert to fraction form
    269,577,914.20/404,366,871.30 = 258,996,333.40/x
  3. Step 3: Cross multiply
    269,577,914.20x = 404,366,871.30 × 258,996,333.40
  4. Step 4: Simplify right side
    269,577,914.20x = 104,729,537,015,129,696
  5. Step 5: Solve for x
    x = 104,729,537,015,129,696/269,577,914.20
  6. Step 6: Final answer
    x = 388,494,500.10

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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.