Home / 20,177,264,788.40-30,265,897,182.60-10,762,946,905.70

Finding the Fourth Proportional to 20,177,264,788.40, 30,265,897,182.60 and 10,762,946,905.70

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Solution

The fourth proportional to 20,177,264,788.40, 30,265,897,182.60 and 10,762,946,905.70 is: 16,144,420,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,264,788.40 : 30,265,897,182.60 = 10,762,946,905.70 : x
  2. Step 2: Convert to fraction form
    20,177,264,788.40/30,265,897,182.60 = 10,762,946,905.70/x
  3. Step 3: Cross multiply
    20,177,264,788.40x = 30,265,897,182.60 × 10,762,946,905.70
  4. Step 4: Simplify right side
    20,177,264,788.40x = 325,750,244,429,699,022,848
  5. Step 5: Solve for x
    x = 325,750,244,429,699,022,848/20,177,264,788.40
  6. Step 6: Final answer
    x = 16,144,420,358.55

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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.