Home / 1,571,359,911.44-2,168,529,027.23-856,934,444.85

Finding the Fourth Proportional to 1,571,359,911.44, 2,168,529,027.23 and 856,934,444.85

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Solution

The fourth proportional to 1,571,359,911.44, 2,168,529,027.23 and 856,934,444.85 is: 1,182,598,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,359,911.44 : 2,168,529,027.23 = 856,934,444.85 : x
  2. Step 2: Convert to fraction form
    1,571,359,911.44/2,168,529,027.23 = 856,934,444.85/x
  3. Step 3: Cross multiply
    1,571,359,911.44x = 2,168,529,027.23 × 856,934,444.85
  4. Step 4: Simplify right side
    1,571,359,911.44x = 1,858,287,218,086,165,760
  5. Step 5: Solve for x
    x = 1,858,287,218,086,165,760/1,571,359,911.44
  6. Step 6: Final answer
    x = 1,182,598,082.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.