Home / 327,845,869.74-491,714,938.53-117,713,055.78

Finding the Fourth Proportional to 327,845,869.74, 491,714,938.53 and 117,713,055.78

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Solution

The fourth proportional to 327,845,869.74, 491,714,938.53 and 117,713,055.78 is: 176,550,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,845,869.74 : 491,714,938.53 = 117,713,055.78 : x
  2. Step 2: Convert to fraction form
    327,845,869.74/491,714,938.53 = 117,713,055.78/x
  3. Step 3: Cross multiply
    327,845,869.74x = 491,714,938.53 × 117,713,055.78
  4. Step 4: Simplify right side
    327,845,869.74x = 57,881,267,987,041,160
  5. Step 5: Solve for x
    x = 57,881,267,987,041,160/327,845,869.74
  6. Step 6: Final answer
    x = 176,550,243.05

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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.