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Finding the Fourth Proportional to 662,754,555.69, 993,972,401.21 and 202,696,710.81

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Solution

The fourth proportional to 662,754,555.69, 993,972,401.21 and 202,696,710.81 is: 303,996,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,754,555.69 : 993,972,401.21 = 202,696,710.81 : x
  2. Step 2: Convert to fraction form
    662,754,555.69/993,972,401.21 = 202,696,710.81/x
  3. Step 3: Cross multiply
    662,754,555.69x = 993,972,401.21 × 202,696,710.81
  4. Step 4: Simplify right side
    662,754,555.69x = 201,474,936,360,171,200
  5. Step 5: Solve for x
    x = 201,474,936,360,171,200/662,754,555.69
  6. Step 6: Final answer
    x = 303,996,305.47

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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.