Home / 776,840,700.86-1,072,040,597.24-419,608,475.67

Finding the Fourth Proportional to 776,840,700.86, 1,072,040,597.24 and 419,608,475.67

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Solution

The fourth proportional to 776,840,700.86, 1,072,040,597.24 and 419,608,475.67 is: 579,059,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,840,700.86 : 1,072,040,597.24 = 419,608,475.67 : x
  2. Step 2: Convert to fraction form
    776,840,700.86/1,072,040,597.24 = 419,608,475.67/x
  3. Step 3: Cross multiply
    776,840,700.86x = 1,072,040,597.24 × 419,608,475.67
  4. Step 4: Simplify right side
    776,840,700.86x = 449,837,320,862,892,096
  5. Step 5: Solve for x
    x = 449,837,320,862,892,096/776,840,700.86
  6. Step 6: Final answer
    x = 579,059,928.72

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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.