Home / 319,506,874,875.20-440,933,347,308.74-176,936,134,923.20

Finding the Fourth Proportional to 319,506,874,875.20, 440,933,347,308.74 and 176,936,134,923.20

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Solution

The fourth proportional to 319,506,874,875.20, 440,933,347,308.74 and 176,936,134,923.20 is: 244,179,541,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,506,874,875.20 : 440,933,347,308.74 = 176,936,134,923.20 : x
  2. Step 2: Convert to fraction form
    319,506,874,875.20/440,933,347,308.74 = 176,936,134,923.20/x
  3. Step 3: Cross multiply
    319,506,874,875.20x = 440,933,347,308.74 × 176,936,134,923.20
  4. Step 4: Simplify right side
    319,506,874,875.20x = 78,017,042,231,557,424,676,864
  5. Step 5: Solve for x
    x = 78,017,042,231,557,424,676,864/319,506,874,875.20
  6. Step 6: Final answer
    x = 244,179,541,557.69

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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.