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Finding the Fourth Proportional to 662,754,559.70, 993,972,407.20 and 202,696,714.82

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Solution

The fourth proportional to 662,754,559.70, 993,972,407.20 and 202,696,714.82 is: 303,996,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,754,559.70 : 993,972,407.20 = 202,696,714.82 : x
  2. Step 2: Convert to fraction form
    662,754,559.70/993,972,407.20 = 202,696,714.82/x
  3. Step 3: Cross multiply
    662,754,559.70x = 993,972,407.20 × 202,696,714.82
  4. Step 4: Simplify right side
    662,754,559.70x = 201,474,941,561,167,328
  5. Step 5: Solve for x
    x = 201,474,941,561,167,328/662,754,559.70
  6. Step 6: Final answer
    x = 303,996,311.47

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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.