Home / 725,772,002,865.58-1,001,565,461,991.10-400,611,356,039.82

Finding the Fourth Proportional to 725,772,002,865.58, 1,001,565,461,991.10 and 400,611,356,039.82

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Solution

The fourth proportional to 725,772,002,865.58, 1,001,565,461,991.10 and 400,611,356,039.82 is: 552,843,725,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,772,002,865.58 : 1,001,565,461,991.10 = 400,611,356,039.82 : x
  2. Step 2: Convert to fraction form
    725,772,002,865.58/1,001,565,461,991.10 = 400,611,356,039.82/x
  3. Step 3: Cross multiply
    725,772,002,865.58x = 1,001,565,461,991.10 × 400,611,356,039.82
  4. Step 4: Simplify right side
    725,772,002,865.58x = 401,238,497,890,903,372,333,056
  5. Step 5: Solve for x
    x = 401,238,497,890,903,372,333,056/725,772,002,865.58
  6. Step 6: Final answer
    x = 552,843,725,449.16

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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.