Home / 347,639,640.40-520,862,263.80-165,494,616.40

Finding the Fourth Proportional to 347,639,640.40, 520,862,263.80 and 165,494,616.40

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Solution

The fourth proportional to 347,639,640.40, 520,862,263.80 and 165,494,616.40 is: 247,957,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,639,640.40 : 520,862,263.80 = 165,494,616.40 : x
  2. Step 2: Convert to fraction form
    347,639,640.40/520,862,263.80 = 165,494,616.40/x
  3. Step 3: Cross multiply
    347,639,640.40x = 520,862,263.80 × 165,494,616.40
  4. Step 4: Simplify right side
    347,639,640.40x = 86,199,900,544,816,608
  5. Step 5: Solve for x
    x = 86,199,900,544,816,608/347,639,640.40
  6. Step 6: Final answer
    x = 247,957,627.75

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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.