Home / 664,307,999.70-996,461,999.55-276,001,775.70

Finding the Fourth Proportional to 664,307,999.70, 996,461,999.55 and 276,001,775.70

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Solution

The fourth proportional to 664,307,999.70, 996,461,999.55 and 276,001,775.70 is: 414,002,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,307,999.70 : 996,461,999.55 = 276,001,775.70 : x
  2. Step 2: Convert to fraction form
    664,307,999.70/996,461,999.55 = 276,001,775.70/x
  3. Step 3: Cross multiply
    664,307,999.70x = 996,461,999.55 × 276,001,775.70
  4. Step 4: Simplify right side
    664,307,999.70x = 275,025,281,293,372,576
  5. Step 5: Solve for x
    x = 275,025,281,293,372,576/664,307,999.70
  6. Step 6: Final answer
    x = 414,002,663.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.