Home / 828,715,488,512.76-1,143,629,146,505.40-467,833,303,009.28

Finding the Fourth Proportional to 828,715,488,512.76, 1,143,629,146,505.40 and 467,833,303,009.28

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Solution

The fourth proportional to 828,715,488,512.76, 1,143,629,146,505.40 and 467,833,303,009.28 is: 645,610,958,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,715,488,512.76 : 1,143,629,146,505.40 = 467,833,303,009.28 : x
  2. Step 2: Convert to fraction form
    828,715,488,512.76/1,143,629,146,505.40 = 467,833,303,009.28/x
  3. Step 3: Cross multiply
    828,715,488,512.76x = 1,143,629,146,505.40 × 467,833,303,009.28
  4. Step 4: Simplify right side
    828,715,488,512.76x = 535,027,801,027,305,036,316,672
  5. Step 5: Solve for x
    x = 535,027,801,027,305,036,316,672/828,715,488,512.76
  6. Step 6: Final answer
    x = 645,610,958,698.85

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.