Home / 1,109,432,899.62-1,531,042,178.40-633,113,783.64

Finding the Fourth Proportional to 1,109,432,899.62, 1,531,042,178.40 and 633,113,783.64

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Solution

The fourth proportional to 1,109,432,899.62, 1,531,042,178.40 and 633,113,783.64 is: 873,711,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,432,899.62 : 1,531,042,178.40 = 633,113,783.64 : x
  2. Step 2: Convert to fraction form
    1,109,432,899.62/1,531,042,178.40 = 633,113,783.64/x
  3. Step 3: Cross multiply
    1,109,432,899.62x = 1,531,042,178.40 × 633,113,783.64
  4. Step 4: Simplify right side
    1,109,432,899.62x = 969,323,906,479,251,968
  5. Step 5: Solve for x
    x = 969,323,906,479,251,968/1,109,432,899.62
  6. Step 6: Final answer
    x = 873,711,160.73

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Double scale
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1.5x scale

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.