Home / 745,407,713.88-1,028,708,667.54-410,879,481.84

Finding the Fourth Proportional to 745,407,713.88, 1,028,708,667.54 and 410,879,481.84

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Solution

The fourth proportional to 745,407,713.88, 1,028,708,667.54 and 410,879,481.84 is: 567,039,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,713.88 : 1,028,708,667.54 = 410,879,481.84 : x
  2. Step 2: Convert to fraction form
    745,407,713.88/1,028,708,667.54 = 410,879,481.84/x
  3. Step 3: Cross multiply
    745,407,713.88x = 1,028,708,667.54 × 410,879,481.84
  4. Step 4: Simplify right side
    745,407,713.88x = 422,675,284,283,152,000
  5. Step 5: Solve for x
    x = 422,675,284,283,152,000/745,407,713.88
  6. Step 6: Final answer
    x = 567,039,053.14

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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.