Home / 22,631,962,579.41-31,230,701,121.39-12,470,121,781.57

Finding the Fourth Proportional to 22,631,962,579.41, 31,230,701,121.39 and 12,470,121,781.57

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Solution

The fourth proportional to 22,631,962,579.41, 31,230,701,121.39 and 12,470,121,781.57 is: 17,207,992,675.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631,962,579.41 : 31,230,701,121.39 = 12,470,121,781.57 : x
  2. Step 2: Convert to fraction form
    22,631,962,579.41/31,230,701,121.39 = 12,470,121,781.57/x
  3. Step 3: Cross multiply
    22,631,962,579.41x = 31,230,701,121.39 × 12,470,121,781.57
  4. Step 4: Simplify right side
    22,631,962,579.41x = 389,450,646,307,485,712,384
  5. Step 5: Solve for x
    x = 389,450,646,307,485,712,384/22,631,962,579.41
  6. Step 6: Final answer
    x = 17,207,992,675.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.