Home / 12,252,845,329.54-18,384,613,941.54-4,290,728,231.74

Finding the Fourth Proportional to 12,252,845,329.54, 18,384,613,941.54 and 4,290,728,231.74

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Solution

The fourth proportional to 12,252,845,329.54, 18,384,613,941.54 and 4,290,728,231.74 is: 6,437,964,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,329.54 : 18,384,613,941.54 = 4,290,728,231.74 : x
  2. Step 2: Convert to fraction form
    12,252,845,329.54/18,384,613,941.54 = 4,290,728,231.74/x
  3. Step 3: Cross multiply
    12,252,845,329.54x = 18,384,613,941.54 × 4,290,728,231.74
  4. Step 4: Simplify right side
    12,252,845,329.54x = 78,883,382,068,606,468,096
  5. Step 5: Solve for x
    x = 78,883,382,068,606,468,096/12,252,845,329.54
  6. Step 6: Final answer
    x = 6,437,964,403.13

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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.