Home / 12,252,845,136.14-18,384,613,651.74-4,290,728,038.70

Finding the Fourth Proportional to 12,252,845,136.14, 18,384,613,651.74 and 4,290,728,038.70

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Solution

The fourth proportional to 12,252,845,136.14, 18,384,613,651.74 and 4,290,728,038.70 is: 6,437,964,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,845,136.14 : 18,384,613,651.74 = 4,290,728,038.70 : x
  2. Step 2: Convert to fraction form
    12,252,845,136.14/18,384,613,651.74 = 4,290,728,038.70/x
  3. Step 3: Cross multiply
    12,252,845,136.14x = 18,384,613,651.74 × 4,290,728,038.70
  4. Step 4: Simplify right side
    12,252,845,136.14x = 78,883,377,276,187,623,424
  5. Step 5: Solve for x
    x = 78,883,377,276,187,623,424/12,252,845,136.14
  6. Step 6: Final answer
    x = 6,437,964,113.62

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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.