Home / 406,078,133,846.25-560,401,263,980.38-223,181,718,344.65

Finding the Fourth Proportional to 406,078,133,846.25, 560,401,263,980.38 and 223,181,718,344.65

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Solution

The fourth proportional to 406,078,133,846.25, 560,401,263,980.38 and 223,181,718,344.65 is: 307,998,157,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,846.25 : 560,401,263,980.38 = 223,181,718,344.65 : x
  2. Step 2: Convert to fraction form
    406,078,133,846.25/560,401,263,980.38 = 223,181,718,344.65/x
  3. Step 3: Cross multiply
    406,078,133,846.25x = 560,401,263,980.38 × 223,181,718,344.65
  4. Step 4: Simplify right side
    406,078,133,846.25x = 125,071,317,057,655,025,958,912
  5. Step 5: Solve for x
    x = 125,071,317,057,655,025,958,912/406,078,133,846.25
  6. Step 6: Final answer
    x = 307,998,157,578.73

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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.