Home / 12,128,446,293.30-18,192,669,439.95-5,598,099,285.30

Finding the Fourth Proportional to 12,128,446,293.30, 18,192,669,439.95 and 5,598,099,285.30

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Solution

The fourth proportional to 12,128,446,293.30, 18,192,669,439.95 and 5,598,099,285.30 is: 8,397,148,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,446,293.30 : 18,192,669,439.95 = 5,598,099,285.30 : x
  2. Step 2: Convert to fraction form
    12,128,446,293.30/18,192,669,439.95 = 5,598,099,285.30/x
  3. Step 3: Cross multiply
    12,128,446,293.30x = 18,192,669,439.95 × 5,598,099,285.30
  4. Step 4: Simplify right side
    12,128,446,293.30x = 101,844,369,789,483,253,760
  5. Step 5: Solve for x
    x = 101,844,369,789,483,253,760/12,128,446,293.30
  6. Step 6: Final answer
    x = 8,397,148,927.95

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Double scale
Find fourth proportional to 12,128,446,294.30, 18,192,669,441.45 and 5,598,099,286.30
Similar ratio
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1.5x scale

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.