Home / 1,536,808,163.18-2,120,795,975.81-831,960,145.39

Finding the Fourth Proportional to 1,536,808,163.18, 2,120,795,975.81 and 831,960,145.39

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Solution

The fourth proportional to 1,536,808,163.18, 2,120,795,975.81 and 831,960,145.39 is: 1,148,105,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,808,163.18 : 2,120,795,975.81 = 831,960,145.39 : x
  2. Step 2: Convert to fraction form
    1,536,808,163.18/2,120,795,975.81 = 831,960,145.39/x
  3. Step 3: Cross multiply
    1,536,808,163.18x = 2,120,795,975.81 × 831,960,145.39
  4. Step 4: Simplify right side
    1,536,808,163.18x = 1,764,417,728,377,414,400
  5. Step 5: Solve for x
    x = 1,764,417,728,377,414,400/1,536,808,163.18
  6. Step 6: Final answer
    x = 1,148,105,385.34

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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.