Home / 760,211,588.28-1,049,091,991.74-412,531,076.28

Finding the Fourth Proportional to 760,211,588.28, 1,049,091,991.74 and 412,531,076.28

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Solution

The fourth proportional to 760,211,588.28, 1,049,091,991.74 and 412,531,076.28 is: 569,292,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,211,588.28 : 1,049,091,991.74 = 412,531,076.28 : x
  2. Step 2: Convert to fraction form
    760,211,588.28/1,049,091,991.74 = 412,531,076.28/x
  3. Step 3: Cross multiply
    760,211,588.28x = 1,049,091,991.74 × 412,531,076.28
  4. Step 4: Simplify right side
    760,211,588.28x = 432,783,048,469,231,040
  5. Step 5: Solve for x
    x = 432,783,048,469,231,040/760,211,588.28
  6. Step 6: Final answer
    x = 569,292,885.22

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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.