Home / 770,311,846.55-1,062,940,667.54-431,238,889.46

Finding the Fourth Proportional to 770,311,846.55, 1,062,940,667.54 and 431,238,889.46

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Solution

The fourth proportional to 770,311,846.55, 1,062,940,667.54 and 431,238,889.46 is: 595,059,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,311,846.55 : 1,062,940,667.54 = 431,238,889.46 : x
  2. Step 2: Convert to fraction form
    770,311,846.55/1,062,940,667.54 = 431,238,889.46/x
  3. Step 3: Cross multiply
    770,311,846.55x = 1,062,940,667.54 × 431,238,889.46
  4. Step 4: Simplify right side
    770,311,846.55x = 458,381,353,024,349,760
  5. Step 5: Solve for x
    x = 458,381,353,024,349,760/770,311,846.55
  6. Step 6: Final answer
    x = 595,059,462.06

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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.