Home / 808,615,511,369.75-1,212,997,830,906.10-264,066,863,203.67

Finding the Fourth Proportional to 808,615,511,369.75, 1,212,997,830,906.10 and 264,066,863,203.67

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Solution

The fourth proportional to 808,615,511,369.75, 1,212,997,830,906.10 and 264,066,863,203.67 is: 396,124,644,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,369.75 : 1,212,997,830,906.10 = 264,066,863,203.67 : x
  2. Step 2: Convert to fraction form
    808,615,511,369.75/1,212,997,830,906.10 = 264,066,863,203.67/x
  3. Step 3: Cross multiply
    808,615,511,369.75x = 1,212,997,830,906.10 × 264,066,863,203.67
  4. Step 4: Simplify right side
    808,615,511,369.75x = 320,312,532,280,229,597,544,448
  5. Step 5: Solve for x
    x = 320,312,532,280,229,597,544,448/808,615,511,369.75
  6. Step 6: Final answer
    x = 396,124,644,873.11

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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.