Home / 770,311,680.86-1,062,940,438.66-431,238,723.48

Finding the Fourth Proportional to 770,311,680.86, 1,062,940,438.66 and 431,238,723.48

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Solution

The fourth proportional to 770,311,680.86, 1,062,940,438.66 and 431,238,723.48 is: 595,059,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,311,680.86 : 1,062,940,438.66 = 431,238,723.48 : x
  2. Step 2: Convert to fraction form
    770,311,680.86/1,062,940,438.66 = 431,238,723.48/x
  3. Step 3: Cross multiply
    770,311,680.86x = 1,062,940,438.66 × 431,238,723.48
  4. Step 4: Simplify right side
    770,311,680.86x = 458,381,077,903,009,664
  5. Step 5: Solve for x
    x = 458,381,077,903,009,664/770,311,680.86
  6. Step 6: Final answer
    x = 595,059,232.90

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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.