Home / 343,043,753,578.90-474,079,605,809.97-281,146,695,730.46

Finding the Fourth Proportional to 343,043,753,578.90, 474,079,605,809.97 and 281,146,695,730.46

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Solution

The fourth proportional to 343,043,753,578.90, 474,079,605,809.97 and 281,146,695,730.46 is: 388,539,109,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,043,753,578.90 : 474,079,605,809.97 = 281,146,695,730.46 : x
  2. Step 2: Convert to fraction form
    343,043,753,578.90/474,079,605,809.97 = 281,146,695,730.46/x
  3. Step 3: Cross multiply
    343,043,753,578.90x = 474,079,605,809.97 × 281,146,695,730.46
  4. Step 4: Simplify right side
    343,043,753,578.90x = 133,285,914,686,672,053,731,328
  5. Step 5: Solve for x
    x = 133,285,914,686,672,053,731,328/343,043,753,578.90
  6. Step 6: Final answer
    x = 388,539,109,941.89

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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.