Home / 672,761,168.40-1,009,330,709.40-327,726,051.60

Finding the Fourth Proportional to 672,761,168.40, 1,009,330,709.40 and 327,726,051.60

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Solution

The fourth proportional to 672,761,168.40, 1,009,330,709.40 and 327,726,051.60 is: 491,681,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,761,168.40 : 1,009,330,709.40 = 327,726,051.60 : x
  2. Step 2: Convert to fraction form
    672,761,168.40/1,009,330,709.40 = 327,726,051.60/x
  3. Step 3: Cross multiply
    672,761,168.40x = 1,009,330,709.40 × 327,726,051.60
  4. Step 4: Simplify right side
    672,761,168.40x = 330,783,968,150,289,024
  5. Step 5: Solve for x
    x = 330,783,968,150,289,024/672,761,168.40
  6. Step 6: Final answer
    x = 491,681,125.02

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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.