Home / 703,298,754.14-1,055,045,142.14-408,332,787.39

Finding the Fourth Proportional to 703,298,754.14, 1,055,045,142.14 and 408,332,787.39

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Solution

The fourth proportional to 703,298,754.14, 1,055,045,142.14 and 408,332,787.39 is: 612,555,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,298,754.14 : 1,055,045,142.14 = 408,332,787.39 : x
  2. Step 2: Convert to fraction form
    703,298,754.14/1,055,045,142.14 = 408,332,787.39/x
  3. Step 3: Cross multiply
    703,298,754.14x = 1,055,045,142.14 × 408,332,787.39
  4. Step 4: Simplify right side
    703,298,754.14x = 430,809,523,710,263,296
  5. Step 5: Solve for x
    x = 430,809,523,710,263,296/703,298,754.14
  6. Step 6: Final answer
    x = 612,555,505.29

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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.