Home / 1,290,077,813.05-1,780,458,523.86-733,244,562.07

Finding the Fourth Proportional to 1,290,077,813.05, 1,780,458,523.86 and 733,244,562.07

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Solution

The fourth proportional to 1,290,077,813.05, 1,780,458,523.86 and 733,244,562.07 is: 1,011,963,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,077,813.05 : 1,780,458,523.86 = 733,244,562.07 : x
  2. Step 2: Convert to fraction form
    1,290,077,813.05/1,780,458,523.86 = 733,244,562.07/x
  3. Step 3: Cross multiply
    1,290,077,813.05x = 1,780,458,523.86 × 733,244,562.07
  4. Step 4: Simplify right side
    1,290,077,813.05x = 1,305,511,530,611,524,352
  5. Step 5: Solve for x
    x = 1,305,511,530,611,524,352/1,290,077,813.05
  6. Step 6: Final answer
    x = 1,011,963,400.51

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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.