Home / 13,552,413,772.41-18,702,500,478.75-7,449,432,651.75

Finding the Fourth Proportional to 13,552,413,772.41, 18,702,500,478.75 and 7,449,432,651.75

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Solution

The fourth proportional to 13,552,413,772.41, 18,702,500,478.75 and 7,449,432,651.75 is: 10,280,310,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552,413,772.41 : 18,702,500,478.75 = 7,449,432,651.75 : x
  2. Step 2: Convert to fraction form
    13,552,413,772.41/18,702,500,478.75 = 7,449,432,651.75/x
  3. Step 3: Cross multiply
    13,552,413,772.41x = 18,702,500,478.75 × 7,449,432,651.75
  4. Step 4: Simplify right side
    13,552,413,772.41x = 139,323,017,735,733,002,240
  5. Step 5: Solve for x
    x = 139,323,017,735,733,002,240/13,552,413,772.41
  6. Step 6: Final answer
    x = 10,280,310,214.51

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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.