Home / 1,478,471,886,674.50-2,040,303,183,186-819,288,973,887.69

Finding the Fourth Proportional to 1,478,471,886,674.50, 2,040,303,183,186 and 819,288,973,887.69

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Solution

The fourth proportional to 1,478,471,886,674.50, 2,040,303,183,186 and 819,288,973,887.69 is: 1,130,625,422,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,471,886,674.50 : 2,040,303,183,186 = 819,288,973,887.69 : x
  2. Step 2: Convert to fraction form
    1,478,471,886,674.50/2,040,303,183,186 = 819,288,973,887.69/x
  3. Step 3: Cross multiply
    1,478,471,886,674.50x = 2,040,303,183,186 × 819,288,973,887.69
  4. Step 4: Simplify right side
    1,478,471,886,674.50x = 1,671,597,901,372,245,332,197,376
  5. Step 5: Solve for x
    x = 1,671,597,901,372,245,332,197,376/1,478,471,886,674.50
  6. Step 6: Final answer
    x = 1,130,625,422,396.19

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.