Home / 8,161,926,100.40-12,242,889,150.60-2,641,742,145.20

Finding the Fourth Proportional to 8,161,926,100.40, 12,242,889,150.60 and 2,641,742,145.20

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Solution

The fourth proportional to 8,161,926,100.40, 12,242,889,150.60 and 2,641,742,145.20 is: 3,962,613,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,926,100.40 : 12,242,889,150.60 = 2,641,742,145.20 : x
  2. Step 2: Convert to fraction form
    8,161,926,100.40/12,242,889,150.60 = 2,641,742,145.20/x
  3. Step 3: Cross multiply
    8,161,926,100.40x = 12,242,889,150.60 × 2,641,742,145.20
  4. Step 4: Simplify right side
    8,161,926,100.40x = 32,342,556,248,151,846,912
  5. Step 5: Solve for x
    x = 32,342,556,248,151,846,912/8,161,926,100.40
  6. Step 6: Final answer
    x = 3,962,613,217.80

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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.