Home / 1,970,921,956,914.50-2,956,716,694,562.80-679,782,625,443.12

Finding the Fourth Proportional to 1,970,921,956,914.50, 2,956,716,694,562.80 and 679,782,625,443.12

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Solution

The fourth proportional to 1,970,921,956,914.50, 2,956,716,694,562.80 and 679,782,625,443.12 is: 1,019,789,053,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,921,956,914.50 : 2,956,716,694,562.80 = 679,782,625,443.12 : x
  2. Step 2: Convert to fraction form
    1,970,921,956,914.50/2,956,716,694,562.80 = 679,782,625,443.12/x
  3. Step 3: Cross multiply
    1,970,921,956,914.50x = 2,956,716,694,562.80 × 679,782,625,443.12
  4. Step 4: Simplify right side
    1,970,921,956,914.50x = 2,009,924,637,321,403,601,780,736
  5. Step 5: Solve for x
    x = 2,009,924,637,321,403,601,780,736/1,970,921,956,914.50
  6. Step 6: Final answer
    x = 1,019,789,053,681.23

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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.