Home / 319,506,874,872.80-440,933,347,305.44-176,936,134,920.81

Finding the Fourth Proportional to 319,506,874,872.80, 440,933,347,305.44 and 176,936,134,920.81

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Solution

The fourth proportional to 319,506,874,872.80, 440,933,347,305.44 and 176,936,134,920.81 is: 244,179,541,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,506,874,872.80 : 440,933,347,305.44 = 176,936,134,920.81 : x
  2. Step 2: Convert to fraction form
    319,506,874,872.80/440,933,347,305.44 = 176,936,134,920.81/x
  3. Step 3: Cross multiply
    319,506,874,872.80x = 440,933,347,305.44 × 176,936,134,920.81
  4. Step 4: Simplify right side
    319,506,874,872.80x = 78,017,042,229,919,699,959,808
  5. Step 5: Solve for x
    x = 78,017,042,229,919,699,959,808/319,506,874,872.80
  6. Step 6: Final answer
    x = 244,179,541,554.40

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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.