Home / 315,300,061.60-435,318,823.20-282,202,995.04

Finding the Fourth Proportional to 315,300,061.60, 435,318,823.20 and 282,202,995.04

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Solution

The fourth proportional to 315,300,061.60, 435,318,823.20 and 282,202,995.04 is: 389,623,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,300,061.60 : 435,318,823.20 = 282,202,995.04 : x
  2. Step 2: Convert to fraction form
    315,300,061.60/435,318,823.20 = 282,202,995.04/x
  3. Step 3: Cross multiply
    315,300,061.60x = 435,318,823.20 × 282,202,995.04
  4. Step 4: Simplify right side
    315,300,061.60x = 122,848,275,704,328,240
  5. Step 5: Solve for x
    x = 122,848,275,704,328,240/315,300,061.60
  6. Step 6: Final answer
    x = 389,623,379.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.