Home / 668,218,982.40-1,002,328,473.60-362,108,966.40

Finding the Fourth Proportional to 668,218,982.40, 1,002,328,473.60 and 362,108,966.40

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Solution

The fourth proportional to 668,218,982.40, 1,002,328,473.60 and 362,108,966.40 is: 543,163,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,218,982.40 : 1,002,328,473.60 = 362,108,966.40 : x
  2. Step 2: Convert to fraction form
    668,218,982.40/1,002,328,473.60 = 362,108,966.40/x
  3. Step 3: Cross multiply
    668,218,982.40x = 1,002,328,473.60 × 362,108,966.40
  4. Step 4: Simplify right side
    668,218,982.40x = 362,952,127,568,585,664
  5. Step 5: Solve for x
    x = 362,952,127,568,585,664/668,218,982.40
  6. Step 6: Final answer
    x = 543,163,449.60

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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.