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Finding the Fourth Proportional to 1,685,772,002.90, 2,525,256,781.95 and 1,685,772,002.90

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Solution

The fourth proportional to 1,685,772,002.90, 2,525,256,781.95 and 1,685,772,002.90 is: 2,525,256,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,772,002.90 : 2,525,256,781.95 = 1,685,772,002.90 : x
  2. Step 2: Convert to fraction form
    1,685,772,002.90/2,525,256,781.95 = 1,685,772,002.90/x
  3. Step 3: Cross multiply
    1,685,772,002.90x = 2,525,256,781.95 × 1,685,772,002.90
  4. Step 4: Simplify right side
    1,685,772,002.90x = 4,257,007,183,144,659,968
  5. Step 5: Solve for x
    x = 4,257,007,183,144,659,968/1,685,772,002.90
  6. Step 6: Final answer
    x = 2,525,256,781.95

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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.