Home / 1,067,904,009.60-1,601,856,014.40-838,580,438.40

Finding the Fourth Proportional to 1,067,904,009.60, 1,601,856,014.40 and 838,580,438.40

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Solution

The fourth proportional to 1,067,904,009.60, 1,601,856,014.40 and 838,580,438.40 is: 1,257,870,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,904,009.60 : 1,601,856,014.40 = 838,580,438.40 : x
  2. Step 2: Convert to fraction form
    1,067,904,009.60/1,601,856,014.40 = 838,580,438.40/x
  3. Step 3: Cross multiply
    1,067,904,009.60x = 1,601,856,014.40 × 838,580,438.40
  4. Step 4: Simplify right side
    1,067,904,009.60x = 1,343,285,118,809,228,800
  5. Step 5: Solve for x
    x = 1,343,285,118,809,228,800/1,067,904,009.60
  6. Step 6: Final answer
    x = 1,257,870,657.60

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Double scale
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Similar ratio
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1.5x scale

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.