Home / 818,136,784.29-1,227,377,530.14-265,396,053.33

Finding the Fourth Proportional to 818,136,784.29, 1,227,377,530.14 and 265,396,053.33

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Solution

The fourth proportional to 818,136,784.29, 1,227,377,530.14 and 265,396,053.33 is: 398,149,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,136,784.29 : 1,227,377,530.14 = 265,396,053.33 : x
  2. Step 2: Convert to fraction form
    818,136,784.29/1,227,377,530.14 = 265,396,053.33/x
  3. Step 3: Cross multiply
    818,136,784.29x = 1,227,377,530.14 × 265,396,053.33
  4. Step 4: Simplify right side
    818,136,784.29x = 325,741,152,445,079,168
  5. Step 5: Solve for x
    x = 325,741,152,445,079,168/818,136,784.29
  6. Step 6: Final answer
    x = 398,149,989.95

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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.