Home / 1,417,177,247.40-2,125,765,871.10-640,848,234.60

Finding the Fourth Proportional to 1,417,177,247.40, 2,125,765,871.10 and 640,848,234.60

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Solution

The fourth proportional to 1,417,177,247.40, 2,125,765,871.10 and 640,848,234.60 is: 961,272,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,177,247.40 : 2,125,765,871.10 = 640,848,234.60 : x
  2. Step 2: Convert to fraction form
    1,417,177,247.40/2,125,765,871.10 = 640,848,234.60/x
  3. Step 3: Cross multiply
    1,417,177,247.40x = 2,125,765,871.10 × 640,848,234.60
  4. Step 4: Simplify right side
    1,417,177,247.40x = 1,362,293,305,667,366,144
  5. Step 5: Solve for x
    x = 1,362,293,305,667,366,144/1,417,177,247.40
  6. Step 6: Final answer
    x = 961,272,351.90

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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.