Home / 557,671,102.26-769,581,865.49-306,770,091.51

Finding the Fourth Proportional to 557,671,102.26, 769,581,865.49 and 306,770,091.51

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Solution

The fourth proportional to 557,671,102.26, 769,581,865.49 and 306,770,091.51 is: 423,340,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,671,102.26 : 769,581,865.49 = 306,770,091.51 : x
  2. Step 2: Convert to fraction form
    557,671,102.26/769,581,865.49 = 306,770,091.51/x
  3. Step 3: Cross multiply
    557,671,102.26x = 769,581,865.49 × 306,770,091.51
  4. Step 4: Simplify right side
    557,671,102.26x = 236,084,699,302,163,584
  5. Step 5: Solve for x
    x = 236,084,699,302,163,584/557,671,102.26
  6. Step 6: Final answer
    x = 423,340,385.30

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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.