Home / 725,885,681,749.44-1,001,723,724,301.30-400,725,420,825.66

Finding the Fourth Proportional to 725,885,681,749.44, 1,001,723,724,301.30 and 400,725,420,825.66

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Solution

The fourth proportional to 725,885,681,749.44, 1,001,723,724,301.30 and 400,725,420,825.66 is: 553,001,899,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,885,681,749.44 : 1,001,723,724,301.30 = 400,725,420,825.66 : x
  2. Step 2: Convert to fraction form
    725,885,681,749.44/1,001,723,724,301.30 = 400,725,420,825.66/x
  3. Step 3: Cross multiply
    725,885,681,749.44x = 1,001,723,724,301.30 × 400,725,420,825.66
  4. Step 4: Simplify right side
    725,885,681,749.44x = 401,416,160,971,685,831,376,896
  5. Step 5: Solve for x
    x = 401,416,160,971,685,831,376,896/725,885,681,749.44
  6. Step 6: Final answer
    x = 553,001,899,698.92

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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.