Home / 808,926,838.68-1,117,090,013.10-764,857,126.44

Finding the Fourth Proportional to 808,926,838.68, 1,117,090,013.10 and 764,857,126.44

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Solution

The fourth proportional to 808,926,838.68, 1,117,090,013.10 and 764,857,126.44 is: 1,056,231,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,926,838.68 : 1,117,090,013.10 = 764,857,126.44 : x
  2. Step 2: Convert to fraction form
    808,926,838.68/1,117,090,013.10 = 764,857,126.44/x
  3. Step 3: Cross multiply
    808,926,838.68x = 1,117,090,013.10 × 764,857,126.44
  4. Step 4: Simplify right side
    808,926,838.68x = 854,414,257,394,487,936
  5. Step 5: Solve for x
    x = 854,414,257,394,487,936/808,926,838.68
  6. Step 6: Final answer
    x = 1,056,231,808.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.