Home / 780,327,967.89-1,170,495,863.33-198,062,387.13

Finding the Fourth Proportional to 780,327,967.89, 1,170,495,863.33 and 198,062,387.13

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Solution

The fourth proportional to 780,327,967.89, 1,170,495,863.33 and 198,062,387.13 is: 297,094,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,327,967.89 : 1,170,495,863.33 = 198,062,387.13 : x
  2. Step 2: Convert to fraction form
    780,327,967.89/1,170,495,863.33 = 198,062,387.13/x
  3. Step 3: Cross multiply
    780,327,967.89x = 1,170,495,863.33 × 198,062,387.13
  4. Step 4: Simplify right side
    780,327,967.89x = 231,831,204,815,939,712
  5. Step 5: Solve for x
    x = 231,831,204,815,939,712/780,327,967.89
  6. Step 6: Final answer
    x = 297,094,573.51

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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.