Home / 298,938,217.31-412,534,996.73-166,779,234.33

Finding the Fourth Proportional to 298,938,217.31, 412,534,996.73 and 166,779,234.33

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Solution

The fourth proportional to 298,938,217.31, 412,534,996.73 and 166,779,234.33 is: 230,155,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,938,217.31 : 412,534,996.73 = 166,779,234.33 : x
  2. Step 2: Convert to fraction form
    298,938,217.31/412,534,996.73 = 166,779,234.33/x
  3. Step 3: Cross multiply
    298,938,217.31x = 412,534,996.73 × 166,779,234.33
  4. Step 4: Simplify right side
    298,938,217.31x = 68,802,270,888,124,568
  5. Step 5: Solve for x
    x = 68,802,270,888,124,568/298,938,217.31
  6. Step 6: Final answer
    x = 230,155,486.67

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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.