Home / 725,885,682,085.93-1,001,723,724,764.50-400,725,421,162.20

Finding the Fourth Proportional to 725,885,682,085.93, 1,001,723,724,764.50 and 400,725,421,162.20

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Solution

The fourth proportional to 725,885,682,085.93, 1,001,723,724,764.50 and 400,725,421,162.20 is: 553,001,900,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,885,682,085.93 : 1,001,723,724,764.50 = 400,725,421,162.20 : x
  2. Step 2: Convert to fraction form
    725,885,682,085.93/1,001,723,724,764.50 = 400,725,421,162.20/x
  3. Step 3: Cross multiply
    725,885,682,085.93x = 1,001,723,724,764.50 × 400,725,421,162.20
  4. Step 4: Simplify right side
    725,885,682,085.93x = 401,416,161,494,422,006,005,760
  5. Step 5: Solve for x
    x = 401,416,161,494,422,006,005,760/725,885,682,085.93
  6. Step 6: Final answer
    x = 553,001,900,162.71

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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.