Home / 13,442,568,670.60-20,163,853,005.90-7,243,840,846.60

Finding the Fourth Proportional to 13,442,568,670.60, 20,163,853,005.90 and 7,243,840,846.60

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Solution

The fourth proportional to 13,442,568,670.60, 20,163,853,005.90 and 7,243,840,846.60 is: 10,865,761,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,568,670.60 : 20,163,853,005.90 = 7,243,840,846.60 : x
  2. Step 2: Convert to fraction form
    13,442,568,670.60/20,163,853,005.90 = 7,243,840,846.60/x
  3. Step 3: Cross multiply
    13,442,568,670.60x = 20,163,853,005.90 × 7,243,840,846.60
  4. Step 4: Simplify right side
    13,442,568,670.60x = 146,063,742,028,976,635,904
  5. Step 5: Solve for x
    x = 146,063,742,028,976,635,904/13,442,568,670.60
  6. Step 6: Final answer
    x = 10,865,761,269.90

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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.