Home / 5,291,400,139.16-7,302,074,241.66-2,912,487,215

Finding the Fourth Proportional to 5,291,400,139.16, 7,302,074,241.66 and 2,912,487,215

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Solution

The fourth proportional to 5,291,400,139.16, 7,302,074,241.66 and 2,912,487,215 is: 4,019,200,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,400,139.16 : 7,302,074,241.66 = 2,912,487,215 : x
  2. Step 2: Convert to fraction form
    5,291,400,139.16/7,302,074,241.66 = 2,912,487,215/x
  3. Step 3: Cross multiply
    5,291,400,139.16x = 7,302,074,241.66 × 2,912,487,215
  4. Step 4: Simplify right side
    5,291,400,139.16x = 21,267,197,871,815,569,408
  5. Step 5: Solve for x
    x = 21,267,197,871,815,569,408/5,291,400,139.16
  6. Step 6: Final answer
    x = 4,019,200,459.71

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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.