Home / 692,212,429.23-955,253,198.94-378,946,643.20

Finding the Fourth Proportional to 692,212,429.23, 955,253,198.94 and 378,946,643.20

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Solution

The fourth proportional to 692,212,429.23, 955,253,198.94 and 378,946,643.20 is: 522,946,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,212,429.23 : 955,253,198.94 = 378,946,643.20 : x
  2. Step 2: Convert to fraction form
    692,212,429.23/955,253,198.94 = 378,946,643.20/x
  3. Step 3: Cross multiply
    692,212,429.23x = 955,253,198.94 × 378,946,643.20
  4. Step 4: Simplify right side
    692,212,429.23x = 361,989,993,144,147,840
  5. Step 5: Solve for x
    x = 361,989,993,144,147,840/692,212,429.23
  6. Step 6: Final answer
    x = 522,946,393.13

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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.