Home / 641,591,066.96-885,243,905.31-363,132,590.49

Finding the Fourth Proportional to 641,591,066.96, 885,243,905.31 and 363,132,590.49

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Solution

The fourth proportional to 641,591,066.96, 885,243,905.31 and 363,132,590.49 is: 501,037,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,591,066.96 : 885,243,905.31 = 363,132,590.49 : x
  2. Step 2: Convert to fraction form
    641,591,066.96/885,243,905.31 = 363,132,590.49/x
  3. Step 3: Cross multiply
    641,591,066.96x = 885,243,905.31 × 363,132,590.49
  4. Step 4: Simplify right side
    641,591,066.96x = 321,460,912,549,342,848
  5. Step 5: Solve for x
    x = 321,460,912,549,342,848/641,591,066.96
  6. Step 6: Final answer
    x = 501,037,076.58

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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.