Home / 781,067,302.56-1,077,801,639.94-463,472,824.68

Finding the Fourth Proportional to 781,067,302.56, 1,077,801,639.94 and 463,472,824.68

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Solution

The fourth proportional to 781,067,302.56, 1,077,801,639.94 and 463,472,824.68 is: 639,550,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,067,302.56 : 1,077,801,639.94 = 463,472,824.68 : x
  2. Step 2: Convert to fraction form
    781,067,302.56/1,077,801,639.94 = 463,472,824.68/x
  3. Step 3: Cross multiply
    781,067,302.56x = 1,077,801,639.94 × 463,472,824.68
  4. Step 4: Simplify right side
    781,067,302.56x = 499,531,770,507,728,128
  5. Step 5: Solve for x
    x = 499,531,770,507,728,128/781,067,302.56
  6. Step 6: Final answer
    x = 639,550,226.81

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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.