Home / 22,631,962,580.78-31,230,701,123.28-12,470,121,782.95

Finding the Fourth Proportional to 22,631,962,580.78, 31,230,701,123.28 and 12,470,121,782.95

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Solution

The fourth proportional to 22,631,962,580.78, 31,230,701,123.28 and 12,470,121,782.95 is: 17,207,992,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631,962,580.78 : 31,230,701,123.28 = 12,470,121,782.95 : x
  2. Step 2: Convert to fraction form
    22,631,962,580.78/31,230,701,123.28 = 12,470,121,782.95/x
  3. Step 3: Cross multiply
    22,631,962,580.78x = 31,230,701,123.28 × 12,470,121,782.95
  4. Step 4: Simplify right side
    22,631,962,580.78x = 389,450,646,374,058,754,048
  5. Step 5: Solve for x
    x = 389,450,646,374,058,754,048/22,631,962,580.78
  6. Step 6: Final answer
    x = 17,207,992,677.79

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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.