Home / 808,615,511,363.25-1,212,997,830,896.40-264,066,863,197.18

Finding the Fourth Proportional to 808,615,511,363.25, 1,212,997,830,896.40 and 264,066,863,197.18

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Solution

The fourth proportional to 808,615,511,363.25, 1,212,997,830,896.40 and 264,066,863,197.18 is: 396,124,644,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,363.25 : 1,212,997,830,896.40 = 264,066,863,197.18 : x
  2. Step 2: Convert to fraction form
    808,615,511,363.25/1,212,997,830,896.40 = 264,066,863,197.18/x
  3. Step 3: Cross multiply
    808,615,511,363.25x = 1,212,997,830,896.40 × 264,066,863,197.18
  4. Step 4: Simplify right side
    808,615,511,363.25x = 320,312,532,269,795,712,696,320
  5. Step 5: Solve for x
    x = 320,312,532,269,795,712,696,320/808,615,511,363.25
  6. Step 6: Final answer
    x = 396,124,644,863.39

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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.