Home / 845,792,896.79-1,167,099,530.56-469,465,348.31

Finding the Fourth Proportional to 845,792,896.79, 1,167,099,530.56 and 469,465,348.31

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Solution

The fourth proportional to 845,792,896.79, 1,167,099,530.56 and 469,465,348.31 is: 647,809,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,792,896.79 : 1,167,099,530.56 = 469,465,348.31 : x
  2. Step 2: Convert to fraction form
    845,792,896.79/1,167,099,530.56 = 469,465,348.31/x
  3. Step 3: Cross multiply
    845,792,896.79x = 1,167,099,530.56 × 469,465,348.31
  4. Step 4: Simplify right side
    845,792,896.79x = 547,912,787,626,787,840
  5. Step 5: Solve for x
    x = 547,912,787,626,787,840/845,792,896.79
  6. Step 6: Final answer
    x = 647,809,634.85

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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.