Home / 3,989,228,221.76-5,505,681,826.72-2,295,648,060.48

Finding the Fourth Proportional to 3,989,228,221.76, 5,505,681,826.72 and 2,295,648,060.48

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Solution

The fourth proportional to 3,989,228,221.76, 5,505,681,826.72 and 2,295,648,060.48 is: 3,168,309,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,228,221.76 : 5,505,681,826.72 = 2,295,648,060.48 : x
  2. Step 2: Convert to fraction form
    3,989,228,221.76/5,505,681,826.72 = 2,295,648,060.48/x
  3. Step 3: Cross multiply
    3,989,228,221.76x = 5,505,681,826.72 × 2,295,648,060.48
  4. Step 4: Simplify right side
    3,989,228,221.76x = 12,639,107,807,129,751,552
  5. Step 5: Solve for x
    x = 12,639,107,807,129,751,552/3,989,228,221.76
  6. Step 6: Final answer
    x = 3,168,309,032.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.