Home / 817,176,687.66-1,127,731,046.04-445,919,090.94

Finding the Fourth Proportional to 817,176,687.66, 1,127,731,046.04 and 445,919,090.94

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Solution

The fourth proportional to 817,176,687.66, 1,127,731,046.04 and 445,919,090.94 is: 615,383,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,176,687.66 : 1,127,731,046.04 = 445,919,090.94 : x
  2. Step 2: Convert to fraction form
    817,176,687.66/1,127,731,046.04 = 445,919,090.94/x
  3. Step 3: Cross multiply
    817,176,687.66x = 1,127,731,046.04 × 445,919,090.94
  4. Step 4: Simplify right side
    817,176,687.66x = 502,876,802,874,972,096
  5. Step 5: Solve for x
    x = 502,876,802,874,972,096/817,176,687.66
  6. Step 6: Final answer
    x = 615,383,197.38

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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.