Home / 725,885,681,747.44-1,001,723,724,298.50-400,725,420,823.66

Finding the Fourth Proportional to 725,885,681,747.44, 1,001,723,724,298.50 and 400,725,420,823.66

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Solution

The fourth proportional to 725,885,681,747.44, 1,001,723,724,298.50 and 400,725,420,823.66 is: 553,001,899,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,885,681,747.44 : 1,001,723,724,298.50 = 400,725,420,823.66 : x
  2. Step 2: Convert to fraction form
    725,885,681,747.44/1,001,723,724,298.50 = 400,725,420,823.66/x
  3. Step 3: Cross multiply
    725,885,681,747.44x = 1,001,723,724,298.50 × 400,725,420,823.66
  4. Step 4: Simplify right side
    725,885,681,747.44x = 401,416,160,968,560,370,253,824
  5. Step 5: Solve for x
    x = 401,416,160,968,560,370,253,824/725,885,681,747.44
  6. Step 6: Final answer
    x = 553,001,899,696.14

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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.