Home / 12,252,845,499.84-18,384,614,196.66-4,290,728,401.80

Finding the Fourth Proportional to 12,252,845,499.84, 18,384,614,196.66 and 4,290,728,401.80

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Solution

The fourth proportional to 12,252,845,499.84, 18,384,614,196.66 and 4,290,728,401.80 is: 6,437,964,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,499.84 : 18,384,614,196.66 = 4,290,728,401.80 : x
  2. Step 2: Convert to fraction form
    12,252,845,499.84/18,384,614,196.66 = 4,290,728,401.80/x
  3. Step 3: Cross multiply
    12,252,845,499.84x = 18,384,614,196.66 × 4,290,728,401.80
  4. Step 4: Simplify right side
    12,252,845,499.84x = 78,883,386,289,744,560,128
  5. Step 5: Solve for x
    x = 78,883,386,289,744,560,128/12,252,845,499.84
  6. Step 6: Final answer
    x = 6,437,964,658.15

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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.