Home / 764,809,427.40-1,147,214,077.83-212,111,848.62

Finding the Fourth Proportional to 764,809,427.40, 1,147,214,077.83 and 212,111,848.62

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Solution

The fourth proportional to 764,809,427.40, 1,147,214,077.83 and 212,111,848.62 is: 318,167,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,809,427.40 : 1,147,214,077.83 = 212,111,848.62 : x
  2. Step 2: Convert to fraction form
    764,809,427.40/1,147,214,077.83 = 212,111,848.62/x
  3. Step 3: Cross multiply
    764,809,427.40x = 1,147,214,077.83 × 212,111,848.62
  4. Step 4: Simplify right side
    764,809,427.40x = 243,337,698,811,409,856
  5. Step 5: Solve for x
    x = 243,337,698,811,409,856/764,809,427.40
  6. Step 6: Final answer
    x = 318,167,755.38

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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.