Home / 406,078,133,844.51-560,401,263,977.94-223,181,718,342.90

Finding the Fourth Proportional to 406,078,133,844.51, 560,401,263,977.94 and 223,181,718,342.90

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Solution

The fourth proportional to 406,078,133,844.51, 560,401,263,977.94 and 223,181,718,342.90 is: 307,998,157,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,844.51 : 560,401,263,977.94 = 223,181,718,342.90 : x
  2. Step 2: Convert to fraction form
    406,078,133,844.51/560,401,263,977.94 = 223,181,718,342.90/x
  3. Step 3: Cross multiply
    406,078,133,844.51x = 560,401,263,977.94 × 223,181,718,342.90
  4. Step 4: Simplify right side
    406,078,133,844.51x = 125,071,317,056,129,742,143,488
  5. Step 5: Solve for x
    x = 125,071,317,056,129,742,143,488/406,078,133,844.51
  6. Step 6: Final answer
    x = 307,998,157,576.30

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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.