Home / 744,858,669.78-1,027,904,970.42-414,833,808.78

Finding the Fourth Proportional to 744,858,669.78, 1,027,904,970.42 and 414,833,808.78

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Solution

The fourth proportional to 744,858,669.78, 1,027,904,970.42 and 414,833,808.78 is: 572,470,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,858,669.78 : 1,027,904,970.42 = 414,833,808.78 : x
  2. Step 2: Convert to fraction form
    744,858,669.78/1,027,904,970.42 = 414,833,808.78/x
  3. Step 3: Cross multiply
    744,858,669.78x = 1,027,904,970.42 × 414,833,808.78
  4. Step 4: Simplify right side
    744,858,669.78x = 426,409,733,943,221,760
  5. Step 5: Solve for x
    x = 426,409,733,943,221,760/744,858,669.78
  6. Step 6: Final answer
    x = 572,470,659.53

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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.