Home / 22,465,327,137.15-31,003,125,979.19-12,440,821,984.28

Finding the Fourth Proportional to 22,465,327,137.15, 31,003,125,979.19 and 12,440,821,984.28

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Solution

The fourth proportional to 22,465,327,137.15, 31,003,125,979.19 and 12,440,821,984.28 is: 17,168,874,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465,327,137.15 : 31,003,125,979.19 = 12,440,821,984.28 : x
  2. Step 2: Convert to fraction form
    22,465,327,137.15/31,003,125,979.19 = 12,440,821,984.28/x
  3. Step 3: Cross multiply
    22,465,327,137.15x = 31,003,125,979.19 × 12,440,821,984.28
  4. Step 4: Simplify right side
    22,465,327,137.15x = 385,704,371,263,216,353,280
  5. Step 5: Solve for x
    x = 385,704,371,263,216,353,280/22,465,327,137.15
  6. Step 6: Final answer
    x = 17,168,874,012.32

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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.