Home / 20,177,264,853.90-30,265,897,280.85-10,762,946,971.20

Finding the Fourth Proportional to 20,177,264,853.90, 30,265,897,280.85 and 10,762,946,971.20

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Solution

The fourth proportional to 20,177,264,853.90, 30,265,897,280.85 and 10,762,946,971.20 is: 16,144,420,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,264,853.90 : 30,265,897,280.85 = 10,762,946,971.20 : x
  2. Step 2: Convert to fraction form
    20,177,264,853.90/30,265,897,280.85 = 10,762,946,971.20/x
  3. Step 3: Cross multiply
    20,177,264,853.90x = 30,265,897,280.85 × 10,762,946,971.20
  4. Step 4: Simplify right side
    20,177,264,853.90x = 325,750,247,469,574,848,512
  5. Step 5: Solve for x
    x = 325,750,247,469,574,848,512/20,177,264,853.90
  6. Step 6: Final answer
    x = 16,144,420,456.80

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1.5x scale

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.