Home / 3,975,507,548.91-5,486,445,870.44-2,191,356,977.85

Finding the Fourth Proportional to 3,975,507,548.91, 5,486,445,870.44 and 2,191,356,977.85

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Solution

The fourth proportional to 3,975,507,548.91, 5,486,445,870.44 and 2,191,356,977.85 is: 3,024,207,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,507,548.91 : 5,486,445,870.44 = 2,191,356,977.85 : x
  2. Step 2: Convert to fraction form
    3,975,507,548.91/5,486,445,870.44 = 2,191,356,977.85/x
  3. Step 3: Cross multiply
    3,975,507,548.91x = 5,486,445,870.44 × 2,191,356,977.85
  4. Step 4: Simplify right side
    3,975,507,548.91x = 12,022,761,441,774,055,424
  5. Step 5: Solve for x
    x = 12,022,761,441,774,055,424/3,975,507,548.91
  6. Step 6: Final answer
    x = 3,024,207,926.63

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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.