Home / 345,435,350.40-517,397,198.40-300,085,718.40

Finding the Fourth Proportional to 345,435,350.40, 517,397,198.40 and 300,085,718.40

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Solution

The fourth proportional to 345,435,350.40, 517,397,198.40 and 300,085,718.40 is: 449,471,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,435,350.40 : 517,397,198.40 = 300,085,718.40 : x
  2. Step 2: Convert to fraction form
    345,435,350.40/517,397,198.40 = 300,085,718.40/x
  3. Step 3: Cross multiply
    345,435,350.40x = 517,397,198.40 × 300,085,718.40
  4. Step 4: Simplify right side
    345,435,350.40x = 155,263,509,980,011,296
  5. Step 5: Solve for x
    x = 155,263,509,980,011,296/345,435,350.40
  6. Step 6: Final answer
    x = 449,471,977.32

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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.