Home / 611,101,127.70-916,651,691.55-222,936,621.30

Finding the Fourth Proportional to 611,101,127.70, 916,651,691.55 and 222,936,621.30

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Solution

The fourth proportional to 611,101,127.70, 916,651,691.55 and 222,936,621.30 is: 334,404,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,101,127.70 : 916,651,691.55 = 222,936,621.30 : x
  2. Step 2: Convert to fraction form
    611,101,127.70/916,651,691.55 = 222,936,621.30/x
  3. Step 3: Cross multiply
    611,101,127.70x = 916,651,691.55 × 222,936,621.30
  4. Step 4: Simplify right side
    611,101,127.70x = 204,355,231,023,086,752
  5. Step 5: Solve for x
    x = 204,355,231,023,086,752/611,101,127.70
  6. Step 6: Final answer
    x = 334,404,931.95

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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.