Home / 308,097,078,209.40-425,174,468,105.90-170,919,907,990.52

Finding the Fourth Proportional to 308,097,078,209.40, 425,174,468,105.90 and 170,919,907,990.52

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Solution

The fourth proportional to 308,097,078,209.40, 425,174,468,105.90 and 170,919,907,990.52 is: 235,869,750,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,097,078,209.40 : 425,174,468,105.90 = 170,919,907,990.52 : x
  2. Step 2: Convert to fraction form
    308,097,078,209.40/425,174,468,105.90 = 170,919,907,990.52/x
  3. Step 3: Cross multiply
    308,097,078,209.40x = 425,174,468,105.90 × 170,919,907,990.52
  4. Step 4: Simplify right side
    308,097,078,209.40x = 72,670,780,968,578,710,503,424
  5. Step 5: Solve for x
    x = 72,670,780,968,578,710,503,424/308,097,078,209.40
  6. Step 6: Final answer
    x = 235,869,750,505.03

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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.