Home / 564,085,653.72-778,462,514.33-313,190,057.94

Finding the Fourth Proportional to 564,085,653.72, 778,462,514.33 and 313,190,057.94

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Solution

The fourth proportional to 564,085,653.72, 778,462,514.33 and 313,190,057.94 is: 432,215,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,085,653.72 : 778,462,514.33 = 313,190,057.94 : x
  2. Step 2: Convert to fraction form
    564,085,653.72/778,462,514.33 = 313,190,057.94/x
  3. Step 3: Cross multiply
    564,085,653.72x = 778,462,514.33 × 313,190,057.94
  4. Step 4: Simplify right side
    564,085,653.72x = 243,806,719,965,564,832
  5. Step 5: Solve for x
    x = 243,806,719,965,564,832/564,085,653.72
  6. Step 6: Final answer
    x = 432,215,778.50

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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.