Home / 743,947,864.80-1,116,611,321.13-375,741,394.49

Finding the Fourth Proportional to 743,947,864.80, 1,116,611,321.13 and 375,741,394.49

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Solution

The fourth proportional to 743,947,864.80, 1,116,611,321.13 and 375,741,394.49 is: 563,960,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,947,864.80 : 1,116,611,321.13 = 375,741,394.49 : x
  2. Step 2: Convert to fraction form
    743,947,864.80/1,116,611,321.13 = 375,741,394.49/x
  3. Step 3: Cross multiply
    743,947,864.80x = 1,116,611,321.13 × 375,741,394.49
  4. Step 4: Simplify right side
    743,947,864.80x = 419,557,094,907,499,008
  5. Step 5: Solve for x
    x = 419,557,094,907,499,008/743,947,864.80
  6. Step 6: Final answer
    x = 563,960,345.56

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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.