Home / 797,017,445.01-1,195,871,456.61-428,122,005.12

Finding the Fourth Proportional to 797,017,445.01, 1,195,871,456.61 and 428,122,005.12

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Solution

The fourth proportional to 797,017,445.01, 1,195,871,456.61 and 428,122,005.12 is: 642,368,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,017,445.01 : 1,195,871,456.61 = 428,122,005.12 : x
  2. Step 2: Convert to fraction form
    797,017,445.01/1,195,871,456.61 = 428,122,005.12/x
  3. Step 3: Cross multiply
    797,017,445.01x = 1,195,871,456.61 × 428,122,005.12
  4. Step 4: Simplify right side
    797,017,445.01x = 511,978,885,869,648,256
  5. Step 5: Solve for x
    x = 511,978,885,869,648,256/797,017,445.01
  6. Step 6: Final answer
    x = 642,368,481.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.