Home / 918,332,122,079.70-1,377,498,183,119.50-858,824,334,969.30

Finding the Fourth Proportional to 918,332,122,079.70, 1,377,498,183,119.50 and 858,824,334,969.30

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Solution

The fourth proportional to 918,332,122,079.70, 1,377,498,183,119.50 and 858,824,334,969.30 is: 1,288,236,502,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,332,122,079.70 : 1,377,498,183,119.50 = 858,824,334,969.30 : x
  2. Step 2: Convert to fraction form
    918,332,122,079.70/1,377,498,183,119.50 = 858,824,334,969.30/x
  3. Step 3: Cross multiply
    918,332,122,079.70x = 1,377,498,183,119.50 × 858,824,334,969.30
  4. Step 4: Simplify right side
    918,332,122,079.70x = 1,183,028,961,039,023,645,655,040
  5. Step 5: Solve for x
    x = 1,183,028,961,039,023,645,655,040/918,332,122,079.70
  6. Step 6: Final answer
    x = 1,288,236,502,453.90

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Double scale
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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.