Home / 5,251,619,901.03-7,247,408,322.52-2,872,703,398.39

Finding the Fourth Proportional to 5,251,619,901.03, 7,247,408,322.52 and 2,872,703,398.39

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Solution

The fourth proportional to 5,251,619,901.03, 7,247,408,322.52 and 2,872,703,398.39 is: 3,964,425,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,619,901.03 : 7,247,408,322.52 = 2,872,703,398.39 : x
  2. Step 2: Convert to fraction form
    5,251,619,901.03/7,247,408,322.52 = 2,872,703,398.39/x
  3. Step 3: Cross multiply
    5,251,619,901.03x = 7,247,408,322.52 × 2,872,703,398.39
  4. Step 4: Simplify right side
    5,251,619,901.03x = 20,819,654,517,623,173,120
  5. Step 5: Solve for x
    x = 20,819,654,517,623,173,120/5,251,619,901.03
  6. Step 6: Final answer
    x = 3,964,425,245.92

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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.