Home / 695,267,729.60-1,043,041,562.40-203,980,049.60

Finding the Fourth Proportional to 695,267,729.60, 1,043,041,562.40 and 203,980,049.60

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Solution

The fourth proportional to 695,267,729.60, 1,043,041,562.40 and 203,980,049.60 is: 306,011,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,267,729.60 : 1,043,041,562.40 = 203,980,049.60 : x
  2. Step 2: Convert to fraction form
    695,267,729.60/1,043,041,562.40 = 203,980,049.60/x
  3. Step 3: Cross multiply
    695,267,729.60x = 1,043,041,562.40 × 203,980,049.60
  4. Step 4: Simplify right side
    695,267,729.60x = 212,759,669,633,213,472
  5. Step 5: Solve for x
    x = 212,759,669,633,213,472/695,267,729.60
  6. Step 6: Final answer
    x = 306,011,138.70

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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.