Home / 769,226,507.44-1,061,536,276.56-416,802,405.76

Finding the Fourth Proportional to 769,226,507.44, 1,061,536,276.56 and 416,802,405.76

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Solution

The fourth proportional to 769,226,507.44, 1,061,536,276.56 and 416,802,405.76 is: 575,189,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,226,507.44 : 1,061,536,276.56 = 416,802,405.76 : x
  2. Step 2: Convert to fraction form
    769,226,507.44/1,061,536,276.56 = 416,802,405.76/x
  3. Step 3: Cross multiply
    769,226,507.44x = 1,061,536,276.56 × 416,802,405.76
  4. Step 4: Simplify right side
    769,226,507.44x = 442,450,873,871,720,640
  5. Step 5: Solve for x
    x = 442,450,873,871,720,640/769,226,507.44
  6. Step 6: Final answer
    x = 575,189,322.77

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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.