Home / 668,221,636.70-1,002,332,455.05-622,872,004.70

Finding the Fourth Proportional to 668,221,636.70, 1,002,332,455.05 and 622,872,004.70

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Solution

The fourth proportional to 668,221,636.70, 1,002,332,455.05 and 622,872,004.70 is: 934,308,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,221,636.70 : 1,002,332,455.05 = 622,872,004.70 : x
  2. Step 2: Convert to fraction form
    668,221,636.70/1,002,332,455.05 = 622,872,004.70/x
  3. Step 3: Cross multiply
    668,221,636.70x = 1,002,332,455.05 × 622,872,004.70
  4. Step 4: Simplify right side
    668,221,636.70x = 624,324,825,652,866,176
  5. Step 5: Solve for x
    x = 624,324,825,652,866,176/668,221,636.70
  6. Step 6: Final answer
    x = 934,308,007.05

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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.