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Finding the Fourth Proportional to 4,039,797,777.30, 5,641,941,937.50 and 4,039,797,777.30

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Solution

The fourth proportional to 4,039,797,777.30, 5,641,941,937.50 and 4,039,797,777.30 is: 5,641,941,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039,797,777.30 : 5,641,941,937.50 = 4,039,797,777.30 : x
  2. Step 2: Convert to fraction form
    4,039,797,777.30/5,641,941,937.50 = 4,039,797,777.30/x
  3. Step 3: Cross multiply
    4,039,797,777.30x = 5,641,941,937.50 × 4,039,797,777.30
  4. Step 4: Simplify right side
    4,039,797,777.30x = 22,792,304,498,768,154,624
  5. Step 5: Solve for x
    x = 22,792,304,498,768,154,624/4,039,797,777.30
  6. Step 6: Final answer
    x = 5,641,941,937.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.