Home / 765,896,911.38-1,148,677,405.47-220,519,997.46

Finding the Fourth Proportional to 765,896,911.38, 1,148,677,405.47 and 220,519,997.46

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Solution

The fourth proportional to 765,896,911.38, 1,148,677,405.47 and 220,519,997.46 is: 330,731,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,896,911.38 : 1,148,677,405.47 = 220,519,997.46 : x
  2. Step 2: Convert to fraction form
    765,896,911.38/1,148,677,405.47 = 220,519,997.46/x
  3. Step 3: Cross multiply
    765,896,911.38x = 1,148,677,405.47 × 220,519,997.46
  4. Step 4: Simplify right side
    765,896,911.38x = 253,306,338,536,603,808
  5. Step 5: Solve for x
    x = 253,306,338,536,603,808/765,896,911.38
  6. Step 6: Final answer
    x = 330,731,636.04

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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.