Home / 12,252,845,309.02-18,384,613,910.76-4,290,728,211.28

Finding the Fourth Proportional to 12,252,845,309.02, 18,384,613,910.76 and 4,290,728,211.28

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Solution

The fourth proportional to 12,252,845,309.02, 18,384,613,910.76 and 4,290,728,211.28 is: 6,437,964,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,309.02 : 18,384,613,910.76 = 4,290,728,211.28 : x
  2. Step 2: Convert to fraction form
    12,252,845,309.02/18,384,613,910.76 = 4,290,728,211.28/x
  3. Step 3: Cross multiply
    12,252,845,309.02x = 18,384,613,910.76 × 4,290,728,211.28
  4. Step 4: Simplify right side
    12,252,845,309.02x = 78,883,381,560,302,862,336
  5. Step 5: Solve for x
    x = 78,883,381,560,302,862,336/12,252,845,309.02
  6. Step 6: Final answer
    x = 6,437,964,372.42

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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.