Home / 13,615,946,350-20,430,125,230.92-6,988,229,755.40

Finding the Fourth Proportional to 13,615,946,350, 20,430,125,230.92 and 6,988,229,755.40

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Solution

The fourth proportional to 13,615,946,350, 20,430,125,230.92 and 6,988,229,755.40 is: 10,485,529,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,946,350 : 20,430,125,230.92 = 6,988,229,755.40 : x
  2. Step 2: Convert to fraction form
    13,615,946,350/20,430,125,230.92 = 6,988,229,755.40/x
  3. Step 3: Cross multiply
    13,615,946,350x = 20,430,125,230.92 × 6,988,229,755.40
  4. Step 4: Simplify right side
    13,615,946,350x = 142,770,409,045,263,417,344
  5. Step 5: Solve for x
    x = 142,770,409,045,263,417,344/13,615,946,350
  6. Step 6: Final answer
    x = 10,485,529,641.15

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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.