Home / 808,615,511,362.75-1,212,997,830,895.60-264,066,863,196.68

Finding the Fourth Proportional to 808,615,511,362.75, 1,212,997,830,895.60 and 264,066,863,196.68

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Solution

The fourth proportional to 808,615,511,362.75, 1,212,997,830,895.60 and 264,066,863,196.68 is: 396,124,644,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,362.75 : 1,212,997,830,895.60 = 264,066,863,196.68 : x
  2. Step 2: Convert to fraction form
    808,615,511,362.75/1,212,997,830,895.60 = 264,066,863,196.68/x
  3. Step 3: Cross multiply
    808,615,511,362.75x = 1,212,997,830,895.60 × 264,066,863,196.68
  4. Step 4: Simplify right side
    808,615,511,362.75x = 320,312,532,268,977,991,188,480
  5. Step 5: Solve for x
    x = 320,312,532,268,977,991,188,480/808,615,511,362.75
  6. Step 6: Final answer
    x = 396,124,644,862.62

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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.