Home / 776,840,750.94-1,072,040,666.38-419,608,525.92

Finding the Fourth Proportional to 776,840,750.94, 1,072,040,666.38 and 419,608,525.92

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Solution

The fourth proportional to 776,840,750.94, 1,072,040,666.38 and 419,608,525.92 is: 579,059,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,840,750.94 : 1,072,040,666.38 = 419,608,525.92 : x
  2. Step 2: Convert to fraction form
    776,840,750.94/1,072,040,666.38 = 419,608,525.92/x
  3. Step 3: Cross multiply
    776,840,750.94x = 1,072,040,666.38 × 419,608,525.92
  4. Step 4: Simplify right side
    776,840,750.94x = 449,837,403,746,006,336
  5. Step 5: Solve for x
    x = 449,837,403,746,006,336/776,840,750.94
  6. Step 6: Final answer
    x = 579,059,998.08

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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.