Home / 5,251,619,904.28-7,247,408,327.01-2,872,703,401.64

Finding the Fourth Proportional to 5,251,619,904.28, 7,247,408,327.01 and 2,872,703,401.64

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Solution

The fourth proportional to 5,251,619,904.28, 7,247,408,327.01 and 2,872,703,401.64 is: 3,964,425,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,619,904.28 : 7,247,408,327.01 = 2,872,703,401.64 : x
  2. Step 2: Convert to fraction form
    5,251,619,904.28/7,247,408,327.01 = 2,872,703,401.64/x
  3. Step 3: Cross multiply
    5,251,619,904.28x = 7,247,408,327.01 × 2,872,703,401.64
  4. Step 4: Simplify right side
    5,251,619,904.28x = 20,819,654,554,075,688,960
  5. Step 5: Solve for x
    x = 20,819,654,554,075,688,960/5,251,619,904.28
  6. Step 6: Final answer
    x = 3,964,425,250.41

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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.