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Finding the Fourth Proportional to 2,792,935,263.07, 4,189,833,361.82 and 952,257,473.11

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Solution

The fourth proportional to 2,792,935,263.07, 4,189,833,361.82 and 952,257,473.11 is: 1,428,532,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,935,263.07 : 4,189,833,361.82 = 952,257,473.11 : x
  2. Step 2: Convert to fraction form
    2,792,935,263.07/4,189,833,361.82 = 952,257,473.11/x
  3. Step 3: Cross multiply
    2,792,935,263.07x = 4,189,833,361.82 × 952,257,473.11
  4. Step 4: Simplify right side
    2,792,935,263.07x = 3,989,800,129,878,689,792
  5. Step 5: Solve for x
    x = 3,989,800,129,878,689,792/2,792,935,263.07
  6. Step 6: Final answer
    x = 1,428,532,978.42

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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.