Home / 1,420,100,144.70-2,130,150,217.05-1,365,680,586.30

Finding the Fourth Proportional to 1,420,100,144.70, 2,130,150,217.05 and 1,365,680,586.30

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Solution

The fourth proportional to 1,420,100,144.70, 2,130,150,217.05 and 1,365,680,586.30 is: 2,048,520,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,100,144.70 : 2,130,150,217.05 = 1,365,680,586.30 : x
  2. Step 2: Convert to fraction form
    1,420,100,144.70/2,130,150,217.05 = 1,365,680,586.30/x
  3. Step 3: Cross multiply
    1,420,100,144.70x = 2,130,150,217.05 × 1,365,680,586.30
  4. Step 4: Simplify right side
    1,420,100,144.70x = 2,909,104,797,327,916,032
  5. Step 5: Solve for x
    x = 2,909,104,797,327,916,032/1,420,100,144.70
  6. Step 6: Final answer
    x = 2,048,520,879.45

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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.