Home / 656,101,705.80-984,294,276.30-196,086,376.20

Finding the Fourth Proportional to 656,101,705.80, 984,294,276.30 and 196,086,376.20

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Solution

The fourth proportional to 656,101,705.80, 984,294,276.30 and 196,086,376.20 is: 294,171,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,101,705.80 : 984,294,276.30 = 196,086,376.20 : x
  2. Step 2: Convert to fraction form
    656,101,705.80/984,294,276.30 = 196,086,376.20/x
  3. Step 3: Cross multiply
    656,101,705.80x = 984,294,276.30 × 196,086,376.20
  4. Step 4: Simplify right side
    656,101,705.80x = 193,006,697,754,068,512
  5. Step 5: Solve for x
    x = 193,006,697,754,068,512/656,101,705.80
  6. Step 6: Final answer
    x = 294,171,918.85

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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.