Home / 725,885,681,749.95-1,001,723,724,302-400,725,420,826.16

Finding the Fourth Proportional to 725,885,681,749.95, 1,001,723,724,302 and 400,725,420,826.16

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Solution

The fourth proportional to 725,885,681,749.95, 1,001,723,724,302 and 400,725,420,826.16 is: 553,001,899,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,885,681,749.95 : 1,001,723,724,302 = 400,725,420,826.16 : x
  2. Step 2: Convert to fraction form
    725,885,681,749.95/1,001,723,724,302 = 400,725,420,826.16/x
  3. Step 3: Cross multiply
    725,885,681,749.95x = 1,001,723,724,302 × 400,725,420,826.16
  4. Step 4: Simplify right side
    725,885,681,749.95x = 401,416,160,972,467,179,880,448
  5. Step 5: Solve for x
    x = 401,416,160,972,467,179,880,448/725,885,681,749.95
  6. Step 6: Final answer
    x = 553,001,899,699.61

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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.