Home / 1,984,998,211.80-2,978,135,046.90-1,330,688,052.60

Finding the Fourth Proportional to 1,984,998,211.80, 2,978,135,046.90 and 1,330,688,052.60

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Solution

The fourth proportional to 1,984,998,211.80, 2,978,135,046.90 and 1,330,688,052.60 is: 1,996,459,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,998,211.80 : 2,978,135,046.90 = 1,330,688,052.60 : x
  2. Step 2: Convert to fraction form
    1,984,998,211.80/2,978,135,046.90 = 1,330,688,052.60/x
  3. Step 3: Cross multiply
    1,984,998,211.80x = 2,978,135,046.90 × 1,330,688,052.60
  4. Step 4: Simplify right side
    1,984,998,211.80x = 3,962,968,725,939,170,304
  5. Step 5: Solve for x
    x = 3,962,968,725,939,170,304/1,984,998,211.80
  6. Step 6: Final answer
    x = 1,996,459,594.97

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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.