Home / 668,221,666.70-1,002,332,500.05-622,872,034.70

Finding the Fourth Proportional to 668,221,666.70, 1,002,332,500.05 and 622,872,034.70

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Solution

The fourth proportional to 668,221,666.70, 1,002,332,500.05 and 622,872,034.70 is: 934,308,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,221,666.70 : 1,002,332,500.05 = 622,872,034.70 : x
  2. Step 2: Convert to fraction form
    668,221,666.70/1,002,332,500.05 = 622,872,034.70/x
  3. Step 3: Cross multiply
    668,221,666.70x = 1,002,332,500.05 × 622,872,034.70
  4. Step 4: Simplify right side
    668,221,666.70x = 624,324,883,752,081,408
  5. Step 5: Solve for x
    x = 624,324,883,752,081,408/668,221,666.70
  6. Step 6: Final answer
    x = 934,308,052.05

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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.