Home / 3,975,505,106.90-5,486,195,709.34-2,191,388,354.20

Finding the Fourth Proportional to 3,975,505,106.90, 5,486,195,709.34 and 2,191,388,354.20

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Solution

The fourth proportional to 3,975,505,106.90, 5,486,195,709.34 and 2,191,388,354.20 is: 3,024,115,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,505,106.90 : 5,486,195,709.34 = 2,191,388,354.20 : x
  2. Step 2: Convert to fraction form
    3,975,505,106.90/5,486,195,709.34 = 2,191,388,354.20/x
  3. Step 3: Cross multiply
    3,975,505,106.90x = 5,486,195,709.34 × 2,191,388,354.20
  4. Step 4: Simplify right side
    3,975,505,106.90x = 12,022,385,386,309,683,200
  5. Step 5: Solve for x
    x = 12,022,385,386,309,683,200/3,975,505,106.90
  6. Step 6: Final answer
    x = 3,024,115,191.16

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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.