Home / 1,474,781,014.64-2,211,659,239.08-820,730,146.16

Finding the Fourth Proportional to 1,474,781,014.64, 2,211,659,239.08 and 820,730,146.16

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Solution

The fourth proportional to 1,474,781,014.64, 2,211,659,239.08 and 820,730,146.16 is: 1,230,810,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,781,014.64 : 2,211,659,239.08 = 820,730,146.16 : x
  2. Step 2: Convert to fraction form
    1,474,781,014.64/2,211,659,239.08 = 820,730,146.16/x
  3. Step 3: Cross multiply
    1,474,781,014.64x = 2,211,659,239.08 × 820,730,146.16
  4. Step 4: Simplify right side
    1,474,781,014.64x = 1,815,175,410,546,242,560
  5. Step 5: Solve for x
    x = 1,815,175,410,546,242,560/1,474,781,014.64
  6. Step 6: Final answer
    x = 1,230,810,128.78

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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.