Home / 511,936,153.66-706,471,881.07-276,986,814.20

Finding the Fourth Proportional to 511,936,153.66, 706,471,881.07 and 276,986,814.20

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Solution

The fourth proportional to 511,936,153.66, 706,471,881.07 and 276,986,814.20 is: 382,241,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,936,153.66 : 706,471,881.07 = 276,986,814.20 : x
  2. Step 2: Convert to fraction form
    511,936,153.66/706,471,881.07 = 276,986,814.20/x
  3. Step 3: Cross multiply
    511,936,153.66x = 706,471,881.07 × 276,986,814.20
  4. Step 4: Simplify right side
    511,936,153.66x = 195,683,395,655,235,744
  5. Step 5: Solve for x
    x = 195,683,395,655,235,744/511,936,153.66
  6. Step 6: Final answer
    x = 382,241,797.65

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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.