Home / 12,124,808,112.15-18,187,212,168.23-12,124,808,112.15

Finding the Fourth Proportional to 12,124,808,112.15, 18,187,212,168.23 and 12,124,808,112.15

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Solution

The fourth proportional to 12,124,808,112.15, 18,187,212,168.23 and 12,124,808,112.15 is: 18,187,212,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,808,112.15 : 18,187,212,168.23 = 12,124,808,112.15 : x
  2. Step 2: Convert to fraction form
    12,124,808,112.15/18,187,212,168.23 = 12,124,808,112.15/x
  3. Step 3: Cross multiply
    12,124,808,112.15x = 18,187,212,168.23 × 12,124,808,112.15
  4. Step 4: Simplify right side
    12,124,808,112.15x = 220,516,457,634,687,647,744
  5. Step 5: Solve for x
    x = 220,516,457,634,687,647,744/12,124,808,112.15
  6. Step 6: Final answer
    x = 18,187,212,168.23

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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.