Home / 20,194,758,015.70-30,292,137,023.55-9,708,576,780.10

Finding the Fourth Proportional to 20,194,758,015.70, 30,292,137,023.55 and 9,708,576,780.10

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Solution

The fourth proportional to 20,194,758,015.70, 30,292,137,023.55 and 9,708,576,780.10 is: 14,562,865,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,015.70 : 30,292,137,023.55 = 9,708,576,780.10 : x
  2. Step 2: Convert to fraction form
    20,194,758,015.70/30,292,137,023.55 = 9,708,576,780.10/x
  3. Step 3: Cross multiply
    20,194,758,015.70x = 30,292,137,023.55 × 9,708,576,780.10
  4. Step 4: Simplify right side
    20,194,758,015.70x = 294,093,538,126,445,051,904
  5. Step 5: Solve for x
    x = 294,093,538,126,445,051,904/20,194,758,015.70
  6. Step 6: Final answer
    x = 14,562,865,170.15

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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.