Home / 3,975,507,549.91-5,486,445,871.82-2,191,356,978.85

Finding the Fourth Proportional to 3,975,507,549.91, 5,486,445,871.82 and 2,191,356,978.85

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Solution

The fourth proportional to 3,975,507,549.91, 5,486,445,871.82 and 2,191,356,978.85 is: 3,024,207,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,507,549.91 : 5,486,445,871.82 = 2,191,356,978.85 : x
  2. Step 2: Convert to fraction form
    3,975,507,549.91/5,486,445,871.82 = 2,191,356,978.85/x
  3. Step 3: Cross multiply
    3,975,507,549.91x = 5,486,445,871.82 × 2,191,356,978.85
  4. Step 4: Simplify right side
    3,975,507,549.91x = 12,022,761,450,284,570,624
  5. Step 5: Solve for x
    x = 12,022,761,450,284,570,624/3,975,507,549.91
  6. Step 6: Final answer
    x = 3,024,207,928.01

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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.