Home / 617,438,377.77-852,066,448.79-338,997,849.45

Finding the Fourth Proportional to 617,438,377.77, 852,066,448.79 and 338,997,849.45

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Solution

The fourth proportional to 617,438,377.77, 852,066,448.79 and 338,997,849.45 is: 467,817,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,438,377.77 : 852,066,448.79 = 338,997,849.45 : x
  2. Step 2: Convert to fraction form
    617,438,377.77/852,066,448.79 = 338,997,849.45/x
  3. Step 3: Cross multiply
    617,438,377.77x = 852,066,448.79 × 338,997,849.45
  4. Step 4: Simplify right side
    617,438,377.77x = 288,848,693,726,613,568
  5. Step 5: Solve for x
    x = 288,848,693,726,613,568/617,438,377.77
  6. Step 6: Final answer
    x = 467,817,848.92

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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.