Home / 1,213,181,987.65-1,820,020,232.76-548,876,924.07

Finding the Fourth Proportional to 1,213,181,987.65, 1,820,020,232.76 and 548,876,924.07

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Solution

The fourth proportional to 1,213,181,987.65, 1,820,020,232.76 and 548,876,924.07 is: 823,427,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,181,987.65 : 1,820,020,232.76 = 548,876,924.07 : x
  2. Step 2: Convert to fraction form
    1,213,181,987.65/1,820,020,232.76 = 548,876,924.07/x
  3. Step 3: Cross multiply
    1,213,181,987.65x = 1,820,020,232.76 × 548,876,924.07
  4. Step 4: Simplify right side
    1,213,181,987.65x = 998,967,107,090,629,888
  5. Step 5: Solve for x
    x = 998,967,107,090,629,888/1,213,181,987.65
  6. Step 6: Final answer
    x = 823,427,249.39

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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.