Home / 1,290,077,799.92-1,780,458,505.68-733,244,548.96

Finding the Fourth Proportional to 1,290,077,799.92, 1,780,458,505.68 and 733,244,548.96

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Solution

The fourth proportional to 1,290,077,799.92, 1,780,458,505.68 and 733,244,548.96 is: 1,011,963,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,077,799.92 : 1,780,458,505.68 = 733,244,548.96 : x
  2. Step 2: Convert to fraction form
    1,290,077,799.92/1,780,458,505.68 = 733,244,548.96/x
  3. Step 3: Cross multiply
    1,290,077,799.92x = 1,780,458,505.68 × 733,244,548.96
  4. Step 4: Simplify right side
    1,290,077,799.92x = 1,305,511,493,939,327,232
  5. Step 5: Solve for x
    x = 1,305,511,493,939,327,232/1,290,077,799.92
  6. Step 6: Final answer
    x = 1,011,963,382.38

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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.