Home / 557,671,102.51-769,581,865.83-306,770,091.77

Finding the Fourth Proportional to 557,671,102.51, 769,581,865.83 and 306,770,091.77

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Solution

The fourth proportional to 557,671,102.51, 769,581,865.83 and 306,770,091.77 is: 423,340,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,671,102.51 : 769,581,865.83 = 306,770,091.77 : x
  2. Step 2: Convert to fraction form
    557,671,102.51/769,581,865.83 = 306,770,091.77/x
  3. Step 3: Cross multiply
    557,671,102.51x = 769,581,865.83 × 306,770,091.77
  4. Step 4: Simplify right side
    557,671,102.51x = 236,084,699,601,349,024
  5. Step 5: Solve for x
    x = 236,084,699,601,349,024/557,671,102.51
  6. Step 6: Final answer
    x = 423,340,385.65

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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.