Home / 554,699,999-765,510,061.08-307,181,353.26

Finding the Fourth Proportional to 554,699,999, 765,510,061.08 and 307,181,353.26

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Solution

The fourth proportional to 554,699,999, 765,510,061.08 and 307,181,353.26 is: 423,923,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,999 : 765,510,061.08 = 307,181,353.26 : x
  2. Step 2: Convert to fraction form
    554,699,999/765,510,061.08 = 307,181,353.26/x
  3. Step 3: Cross multiply
    554,699,999x = 765,510,061.08 × 307,181,353.26
  4. Step 4: Simplify right side
    554,699,999x = 235,150,416,496,699,648
  5. Step 5: Solve for x
    x = 235,150,416,496,699,648/554,699,999
  6. Step 6: Final answer
    x = 423,923,592.79

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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.