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Finding the Fourth Proportional to 12,039,246,026.15, 18,058,869,039.23 and 12,039,246,026.15

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Solution

The fourth proportional to 12,039,246,026.15, 18,058,869,039.23 and 12,039,246,026.15 is: 18,058,869,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039,246,026.15 : 18,058,869,039.23 = 12,039,246,026.15 : x
  2. Step 2: Convert to fraction form
    12,039,246,026.15/18,058,869,039.23 = 12,039,246,026.15/x
  3. Step 3: Cross multiply
    12,039,246,026.15x = 18,058,869,039.23 × 12,039,246,026.15
  4. Step 4: Simplify right side
    12,039,246,026.15x = 217,415,167,317,252,833,280
  5. Step 5: Solve for x
    x = 217,415,167,317,252,833,280/12,039,246,026.15
  6. Step 6: Final answer
    x = 18,058,869,039.23

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1.5x scale

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.