Home / 343,915,916,537.43-474,605,403,342.46-189,588,208,538.01

Finding the Fourth Proportional to 343,915,916,537.43, 474,605,403,342.46 and 189,588,208,538.01

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Solution

The fourth proportional to 343,915,916,537.43, 474,605,403,342.46 and 189,588,208,538.01 is: 261,632,520,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,915,916,537.43 : 474,605,403,342.46 = 189,588,208,538.01 : x
  2. Step 2: Convert to fraction form
    343,915,916,537.43/474,605,403,342.46 = 189,588,208,538.01/x
  3. Step 3: Cross multiply
    343,915,916,537.43x = 474,605,403,342.46 × 189,588,208,538.01
  4. Step 4: Simplify right side
    343,915,916,537.43x = 89,979,588,182,156,660,178,944
  5. Step 5: Solve for x
    x = 89,979,588,182,156,660,178,944/343,915,916,537.43
  6. Step 6: Final answer
    x = 261,632,520,786.12

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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.