Home / 769,715,829.42-1,062,322,854.75-605,935,851.18

Finding the Fourth Proportional to 769,715,829.42, 1,062,322,854.75 and 605,935,851.18

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Solution

The fourth proportional to 769,715,829.42, 1,062,322,854.75 and 605,935,851.18 is: 836,282,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,715,829.42 : 1,062,322,854.75 = 605,935,851.18 : x
  2. Step 2: Convert to fraction form
    769,715,829.42/1,062,322,854.75 = 605,935,851.18/x
  3. Step 3: Cross multiply
    769,715,829.42x = 1,062,322,854.75 × 605,935,851.18
  4. Step 4: Simplify right side
    769,715,829.42x = 643,699,503,220,908,672
  5. Step 5: Solve for x
    x = 643,699,503,220,908,672/769,715,829.42
  6. Step 6: Final answer
    x = 836,282,012.94

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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.