Home / 406,078,133,844.47-560,401,263,977.85-223,181,718,342.83

Finding the Fourth Proportional to 406,078,133,844.47, 560,401,263,977.85 and 223,181,718,342.83

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Solution

The fourth proportional to 406,078,133,844.47, 560,401,263,977.85 and 223,181,718,342.83 is: 307,998,157,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,844.47 : 560,401,263,977.85 = 223,181,718,342.83 : x
  2. Step 2: Convert to fraction form
    406,078,133,844.47/560,401,263,977.85 = 223,181,718,342.83/x
  3. Step 3: Cross multiply
    406,078,133,844.47x = 560,401,263,977.85 × 223,181,718,342.83
  4. Step 4: Simplify right side
    406,078,133,844.47x = 125,071,317,056,070,434,684,928
  5. Step 5: Solve for x
    x = 125,071,317,056,070,434,684,928/406,078,133,844.47
  6. Step 6: Final answer
    x = 307,998,157,576.18

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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.