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Finding the Fourth Proportional to 2,987,300,532.90, 4,480,950,799.35 and 2,987,300,532.90

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Solution

The fourth proportional to 2,987,300,532.90, 4,480,950,799.35 and 2,987,300,532.90 is: 4,480,950,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,300,532.90 : 4,480,950,799.35 = 2,987,300,532.90 : x
  2. Step 2: Convert to fraction form
    2,987,300,532.90/4,480,950,799.35 = 2,987,300,532.90/x
  3. Step 3: Cross multiply
    2,987,300,532.90x = 4,480,950,799.35 × 2,987,300,532.90
  4. Step 4: Simplify right side
    2,987,300,532.90x = 13,385,946,710,796,937,216
  5. Step 5: Solve for x
    x = 13,385,946,710,796,937,216/2,987,300,532.90
  6. Step 6: Final answer
    x = 4,480,950,799.35

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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.