Home / 319,506,874,873.80-440,933,347,306.82-176,936,134,921.81

Finding the Fourth Proportional to 319,506,874,873.80, 440,933,347,306.82 and 176,936,134,921.81

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Solution

The fourth proportional to 319,506,874,873.80, 440,933,347,306.82 and 176,936,134,921.81 is: 244,179,541,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,506,874,873.80 : 440,933,347,306.82 = 176,936,134,921.81 : x
  2. Step 2: Convert to fraction form
    319,506,874,873.80/440,933,347,306.82 = 176,936,134,921.81/x
  3. Step 3: Cross multiply
    319,506,874,873.80x = 440,933,347,306.82 × 176,936,134,921.81
  4. Step 4: Simplify right side
    319,506,874,873.80x = 78,017,042,230,604,814,352,384
  5. Step 5: Solve for x
    x = 78,017,042,230,604,814,352,384/319,506,874,873.80
  6. Step 6: Final answer
    x = 244,179,541,555.78

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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.