Home / 1,772,927,999.70-2,659,391,999.55-805,469,183.70

Finding the Fourth Proportional to 1,772,927,999.70, 2,659,391,999.55 and 805,469,183.70

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Solution

The fourth proportional to 1,772,927,999.70, 2,659,391,999.55 and 805,469,183.70 is: 1,208,203,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,927,999.70 : 2,659,391,999.55 = 805,469,183.70 : x
  2. Step 2: Convert to fraction form
    1,772,927,999.70/2,659,391,999.55 = 805,469,183.70/x
  3. Step 3: Cross multiply
    1,772,927,999.70x = 2,659,391,999.55 × 805,469,183.70
  4. Step 4: Simplify right side
    1,772,927,999.70x = 2,142,058,303,015,849,472
  5. Step 5: Solve for x
    x = 2,142,058,303,015,849,472/1,772,927,999.70
  6. Step 6: Final answer
    x = 1,208,203,775.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.