Home / 406,078,133,853.87-560,401,263,990.93-223,181,718,352.28

Finding the Fourth Proportional to 406,078,133,853.87, 560,401,263,990.93 and 223,181,718,352.28

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Solution

The fourth proportional to 406,078,133,853.87, 560,401,263,990.93 and 223,181,718,352.28 is: 307,998,157,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,853.87 : 560,401,263,990.93 = 223,181,718,352.28 : x
  2. Step 2: Convert to fraction form
    406,078,133,853.87/560,401,263,990.93 = 223,181,718,352.28/x
  3. Step 3: Cross multiply
    406,078,133,853.87x = 560,401,263,990.93 × 223,181,718,352.28
  4. Step 4: Simplify right side
    406,078,133,853.87x = 125,071,317,064,285,465,608,192
  5. Step 5: Solve for x
    x = 125,071,317,064,285,465,608,192/406,078,133,853.87
  6. Step 6: Final answer
    x = 307,998,157,589.28

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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.