Home / 3,975,507,551.91-5,486,445,874.59-2,191,356,980.85

Finding the Fourth Proportional to 3,975,507,551.91, 5,486,445,874.59 and 2,191,356,980.85

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Solution

The fourth proportional to 3,975,507,551.91, 5,486,445,874.59 and 2,191,356,980.85 is: 3,024,207,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,507,551.91 : 5,486,445,874.59 = 2,191,356,980.85 : x
  2. Step 2: Convert to fraction form
    3,975,507,551.91/5,486,445,874.59 = 2,191,356,980.85/x
  3. Step 3: Cross multiply
    3,975,507,551.91x = 5,486,445,874.59 × 2,191,356,980.85
  4. Step 4: Simplify right side
    3,975,507,551.91x = 12,022,761,467,338,479,616
  5. Step 5: Solve for x
    x = 12,022,761,467,338,479,616/3,975,507,551.91
  6. Step 6: Final answer
    x = 3,024,207,930.77

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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.