Home / 406,078,133,857.58-560,401,263,995.88-223,181,718,355.90

Finding the Fourth Proportional to 406,078,133,857.58, 560,401,263,995.88 and 223,181,718,355.90

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Solution

The fourth proportional to 406,078,133,857.58, 560,401,263,995.88 and 223,181,718,355.90 is: 307,998,157,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,857.58 : 560,401,263,995.88 = 223,181,718,355.90 : x
  2. Step 2: Convert to fraction form
    406,078,133,857.58/560,401,263,995.88 = 223,181,718,355.90/x
  3. Step 3: Cross multiply
    406,078,133,857.58x = 560,401,263,995.88 × 223,181,718,355.90
  4. Step 4: Simplify right side
    406,078,133,857.58x = 125,071,317,067,418,845,577,216
  5. Step 5: Solve for x
    x = 125,071,317,067,418,845,577,216/406,078,133,857.58
  6. Step 6: Final answer
    x = 307,998,157,594.18

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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.