Home / 725,885,682,086.93-1,001,723,724,765.90-400,725,421,163.20

Finding the Fourth Proportional to 725,885,682,086.93, 1,001,723,724,765.90 and 400,725,421,163.20

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Solution

The fourth proportional to 725,885,682,086.93, 1,001,723,724,765.90 and 400,725,421,163.20 is: 553,001,900,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,885,682,086.93 : 1,001,723,724,765.90 = 400,725,421,163.20 : x
  2. Step 2: Convert to fraction form
    725,885,682,086.93/1,001,723,724,765.90 = 400,725,421,163.20/x
  3. Step 3: Cross multiply
    725,885,682,086.93x = 1,001,723,724,765.90 × 400,725,421,163.20
  4. Step 4: Simplify right side
    725,885,682,086.93x = 401,416,161,495,984,770,121,728
  5. Step 5: Solve for x
    x = 401,416,161,495,984,770,121,728/725,885,682,086.93
  6. Step 6: Final answer
    x = 553,001,900,164.10

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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.