Home / 950,628,447.96-1,424,936,268.76-319,759,939.60

Finding the Fourth Proportional to 950,628,447.96, 1,424,936,268.76 and 319,759,939.60

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Solution

The fourth proportional to 950,628,447.96, 1,424,936,268.76 and 319,759,939.60 is: 479,301,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,628,447.96 : 1,424,936,268.76 = 319,759,939.60 : x
  2. Step 2: Convert to fraction form
    950,628,447.96/1,424,936,268.76 = 319,759,939.60/x
  3. Step 3: Cross multiply
    950,628,447.96x = 1,424,936,268.76 × 319,759,939.60
  4. Step 4: Simplify right side
    950,628,447.96x = 455,637,535,232,547,008
  5. Step 5: Solve for x
    x = 455,637,535,232,547,008/950,628,447.96
  6. Step 6: Final answer
    x = 479,301,388.69

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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.