Home / 5,320,541,578.26-7,980,820,048.43-2,172,756,189.90

Finding the Fourth Proportional to 5,320,541,578.26, 7,980,820,048.43 and 2,172,756,189.90

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Solution

The fourth proportional to 5,320,541,578.26, 7,980,820,048.43 and 2,172,756,189.90 is: 3,259,137,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,541,578.26 : 7,980,820,048.43 = 2,172,756,189.90 : x
  2. Step 2: Convert to fraction form
    5,320,541,578.26/7,980,820,048.43 = 2,172,756,189.90/x
  3. Step 3: Cross multiply
    5,320,541,578.26x = 7,980,820,048.43 × 2,172,756,189.90
  4. Step 4: Simplify right side
    5,320,541,578.26x = 17,340,376,160,653,533,184
  5. Step 5: Solve for x
    x = 17,340,376,160,653,533,184/5,320,541,578.26
  6. Step 6: Final answer
    x = 3,259,137,421.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.