Home / 710,462,910.52-1,065,682,278.92-212,474,563.84

Finding the Fourth Proportional to 710,462,910.52, 1,065,682,278.92 and 212,474,563.84

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Solution

The fourth proportional to 710,462,910.52, 1,065,682,278.92 and 212,474,563.84 is: 318,708,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,462,910.52 : 1,065,682,278.92 = 212,474,563.84 : x
  2. Step 2: Convert to fraction form
    710,462,910.52/1,065,682,278.92 = 212,474,563.84/x
  3. Step 3: Cross multiply
    710,462,910.52x = 1,065,682,278.92 × 212,474,563.84
  4. Step 4: Simplify right side
    710,462,910.52x = 226,430,377,405,544,224
  5. Step 5: Solve for x
    x = 226,430,377,405,544,224/710,462,910.52
  6. Step 6: Final answer
    x = 318,708,231.00

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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.