Home / 818,172,070.38-1,227,258,115.83-196,387,300.80

Finding the Fourth Proportional to 818,172,070.38, 1,227,258,115.83 and 196,387,300.80

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Solution

The fourth proportional to 818,172,070.38, 1,227,258,115.83 and 196,387,300.80 is: 294,580,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,172,070.38 : 1,227,258,115.83 = 196,387,300.80 : x
  2. Step 2: Convert to fraction form
    818,172,070.38/1,227,258,115.83 = 196,387,300.80/x
  3. Step 3: Cross multiply
    818,172,070.38x = 1,227,258,115.83 × 196,387,300.80
  4. Step 4: Simplify right side
    818,172,070.38x = 241,017,908,752,747,456
  5. Step 5: Solve for x
    x = 241,017,908,752,747,456/818,172,070.38
  6. Step 6: Final answer
    x = 294,580,953.66

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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.