Home / 828,162,005.60-1,241,187,999.60-440,170,709.60

Finding the Fourth Proportional to 828,162,005.60, 1,241,187,999.60 and 440,170,709.60

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Solution

The fourth proportional to 828,162,005.60, 1,241,187,999.60 and 440,170,709.60 is: 659,695,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,162,005.60 : 1,241,187,999.60 = 440,170,709.60 : x
  2. Step 2: Convert to fraction form
    828,162,005.60/1,241,187,999.60 = 440,170,709.60/x
  3. Step 3: Cross multiply
    828,162,005.60x = 1,241,187,999.60 × 440,170,709.60
  4. Step 4: Simplify right side
    828,162,005.60x = 546,334,602,530,936,512
  5. Step 5: Solve for x
    x = 546,334,602,530,936,512/828,162,005.60
  6. Step 6: Final answer
    x = 659,695,323.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.