Home / 808,615,511,359.76-1,212,997,830,891.10-264,066,863,193.68

Finding the Fourth Proportional to 808,615,511,359.76, 1,212,997,830,891.10 and 264,066,863,193.68

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Solution

The fourth proportional to 808,615,511,359.76, 1,212,997,830,891.10 and 264,066,863,193.68 is: 396,124,644,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,359.76 : 1,212,997,830,891.10 = 264,066,863,193.68 : x
  2. Step 2: Convert to fraction form
    808,615,511,359.76/1,212,997,830,891.10 = 264,066,863,193.68/x
  3. Step 3: Cross multiply
    808,615,511,359.76x = 1,212,997,830,891.10 × 264,066,863,193.68
  4. Step 4: Simplify right side
    808,615,511,359.76x = 320,312,532,264,150,716,383,232
  5. Step 5: Solve for x
    x = 320,312,532,264,150,716,383,232/808,615,511,359.76
  6. Step 6: Final answer
    x = 396,124,644,858.12

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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.