Home / 560,821,691.92-840,480,571.32-436,474,462.54

Finding the Fourth Proportional to 560,821,691.92, 840,480,571.32 and 436,474,462.54

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Solution

The fourth proportional to 560,821,691.92, 840,480,571.32 and 436,474,462.54 is: 654,126,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,821,691.92 : 840,480,571.32 = 436,474,462.54 : x
  2. Step 2: Convert to fraction form
    560,821,691.92/840,480,571.32 = 436,474,462.54/x
  3. Step 3: Cross multiply
    560,821,691.92x = 840,480,571.32 × 436,474,462.54
  4. Step 4: Simplify right side
    560,821,691.92x = 366,848,305,642,209,152
  5. Step 5: Solve for x
    x = 366,848,305,642,209,152/560,821,691.92
  6. Step 6: Final answer
    x = 654,126,455.75

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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.