Home / 1,290,077,800.92-1,780,458,507.06-733,244,549.96

Finding the Fourth Proportional to 1,290,077,800.92, 1,780,458,507.06 and 733,244,549.96

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Solution

The fourth proportional to 1,290,077,800.92, 1,780,458,507.06 and 733,244,549.96 is: 1,011,963,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,077,800.92 : 1,780,458,507.06 = 733,244,549.96 : x
  2. Step 2: Convert to fraction form
    1,290,077,800.92/1,780,458,507.06 = 733,244,549.96/x
  3. Step 3: Cross multiply
    1,290,077,800.92x = 1,780,458,507.06 × 733,244,549.96
  4. Step 4: Simplify right side
    1,290,077,800.92x = 1,305,511,496,731,663,104
  5. Step 5: Solve for x
    x = 1,305,511,496,731,663,104/1,290,077,800.92
  6. Step 6: Final answer
    x = 1,011,963,383.76

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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.