Home / 12,252,845,328.54-18,384,613,940.04-4,290,728,230.74

Finding the Fourth Proportional to 12,252,845,328.54, 18,384,613,940.04 and 4,290,728,230.74

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Solution

The fourth proportional to 12,252,845,328.54, 18,384,613,940.04 and 4,290,728,230.74 is: 6,437,964,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,328.54 : 18,384,613,940.04 = 4,290,728,230.74 : x
  2. Step 2: Convert to fraction form
    12,252,845,328.54/18,384,613,940.04 = 4,290,728,230.74/x
  3. Step 3: Cross multiply
    12,252,845,328.54x = 18,384,613,940.04 × 4,290,728,230.74
  4. Step 4: Simplify right side
    12,252,845,328.54x = 78,883,382,043,785,773,056
  5. Step 5: Solve for x
    x = 78,883,382,043,785,773,056/12,252,845,328.54
  6. Step 6: Final answer
    x = 6,437,964,401.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.