Home / 15,945,555,672.64-22,005,496,161.60-9,171,363,384.16

Finding the Fourth Proportional to 15,945,555,672.64, 22,005,496,161.60 and 9,171,363,384.16

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Solution

The fourth proportional to 15,945,555,672.64, 22,005,496,161.60 and 9,171,363,384.16 is: 12,656,843,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,555,672.64 : 22,005,496,161.60 = 9,171,363,384.16 : x
  2. Step 2: Convert to fraction form
    15,945,555,672.64/22,005,496,161.60 = 9,171,363,384.16/x
  3. Step 3: Cross multiply
    15,945,555,672.64x = 22,005,496,161.60 × 9,171,363,384.16
  4. Step 4: Simplify right side
    15,945,555,672.64x = 201,820,401,746,771,640,320
  5. Step 5: Solve for x
    x = 201,820,401,746,771,640,320/15,945,555,672.64
  6. Step 6: Final answer
    x = 12,656,843,442.16

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