Home / 808,615,511,328.16-1,212,997,830,843.90-264,066,863,162.16

Finding the Fourth Proportional to 808,615,511,328.16, 1,212,997,830,843.90 and 264,066,863,162.16

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Solution

The fourth proportional to 808,615,511,328.16, 1,212,997,830,843.90 and 264,066,863,162.16 is: 396,124,644,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,328.16 : 1,212,997,830,843.90 = 264,066,863,162.16 : x
  2. Step 2: Convert to fraction form
    808,615,511,328.16/1,212,997,830,843.90 = 264,066,863,162.16/x
  3. Step 3: Cross multiply
    808,615,511,328.16x = 1,212,997,830,843.90 × 264,066,863,162.16
  4. Step 4: Simplify right side
    808,615,511,328.16x = 320,312,532,213,452,989,530,112
  5. Step 5: Solve for x
    x = 320,312,532,213,452,989,530,112/808,615,511,328.16
  6. Step 6: Final answer
    x = 396,124,644,810.90

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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.