Home / 406,078,133,845.26-560,401,263,978.98-223,181,718,343.65

Finding the Fourth Proportional to 406,078,133,845.26, 560,401,263,978.98 and 223,181,718,343.65

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Solution

The fourth proportional to 406,078,133,845.26, 560,401,263,978.98 and 223,181,718,343.65 is: 307,998,157,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,845.26 : 560,401,263,978.98 = 223,181,718,343.65 : x
  2. Step 2: Convert to fraction form
    406,078,133,845.26/560,401,263,978.98 = 223,181,718,343.65/x
  3. Step 3: Cross multiply
    406,078,133,845.26x = 560,401,263,978.98 × 223,181,718,343.65
  4. Step 4: Simplify right side
    406,078,133,845.26x = 125,071,317,056,782,157,742,080
  5. Step 5: Solve for x
    x = 125,071,317,056,782,157,742,080/406,078,133,845.26
  6. Step 6: Final answer
    x = 307,998,157,577.33

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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.