Home / 1,981,507,717.20-2,972,261,575.80-601,320,010.80

Finding the Fourth Proportional to 1,981,507,717.20, 2,972,261,575.80 and 601,320,010.80

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Solution

The fourth proportional to 1,981,507,717.20, 2,972,261,575.80 and 601,320,010.80 is: 901,980,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,507,717.20 : 2,972,261,575.80 = 601,320,010.80 : x
  2. Step 2: Convert to fraction form
    1,981,507,717.20/2,972,261,575.80 = 601,320,010.80/x
  3. Step 3: Cross multiply
    1,981,507,717.20x = 2,972,261,575.80 × 601,320,010.80
  4. Step 4: Simplify right side
    1,981,507,717.20x = 1,787,280,362,860,481,024
  5. Step 5: Solve for x
    x = 1,787,280,362,860,481,024/1,981,507,717.20
  6. Step 6: Final answer
    x = 901,980,016.20

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Double scale
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1.5x scale

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.