Home / 20,102,938,286.60-30,154,407,429.90-5,380,959,704.60

Finding the Fourth Proportional to 20,102,938,286.60, 30,154,407,429.90 and 5,380,959,704.60

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Solution

The fourth proportional to 20,102,938,286.60, 30,154,407,429.90 and 5,380,959,704.60 is: 8,071,439,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,938,286.60 : 30,154,407,429.90 = 5,380,959,704.60 : x
  2. Step 2: Convert to fraction form
    20,102,938,286.60/30,154,407,429.90 = 5,380,959,704.60/x
  3. Step 3: Cross multiply
    20,102,938,286.60x = 30,154,407,429.90 × 5,380,959,704.60
  4. Step 4: Simplify right side
    20,102,938,286.60x = 162,259,651,296,382,779,392
  5. Step 5: Solve for x
    x = 162,259,651,296,382,779,392/20,102,938,286.60
  6. Step 6: Final answer
    x = 8,071,439,556.90

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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.