Home / 1,180,431,089.51-1,771,259,434.70-481,436,042.45

Finding the Fourth Proportional to 1,180,431,089.51, 1,771,259,434.70 and 481,436,042.45

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Solution

The fourth proportional to 1,180,431,089.51, 1,771,259,434.70 and 481,436,042.45 is: 722,403,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,431,089.51 : 1,771,259,434.70 = 481,436,042.45 : x
  2. Step 2: Convert to fraction form
    1,180,431,089.51/1,771,259,434.70 = 481,436,042.45/x
  3. Step 3: Cross multiply
    1,180,431,089.51x = 1,771,259,434.70 × 481,436,042.45
  4. Step 4: Simplify right side
    1,180,431,089.51x = 852,748,132,382,928,640
  5. Step 5: Solve for x
    x = 852,748,132,382,928,640/1,180,431,089.51
  6. Step 6: Final answer
    x = 722,403,992.88

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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.