Home / 1,984,998,225.80-2,978,135,067.90-1,330,688,066.60

Finding the Fourth Proportional to 1,984,998,225.80, 2,978,135,067.90 and 1,330,688,066.60

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Solution

The fourth proportional to 1,984,998,225.80, 2,978,135,067.90 and 1,330,688,066.60 is: 1,996,459,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,998,225.80 : 2,978,135,067.90 = 1,330,688,066.60 : x
  2. Step 2: Convert to fraction form
    1,984,998,225.80/2,978,135,067.90 = 1,330,688,066.60/x
  3. Step 3: Cross multiply
    1,984,998,225.80x = 2,978,135,067.90 × 1,330,688,066.60
  4. Step 4: Simplify right side
    1,984,998,225.80x = 3,962,968,795,577,510,400
  5. Step 5: Solve for x
    x = 3,962,968,795,577,510,400/1,984,998,225.80
  6. Step 6: Final answer
    x = 1,996,459,615.97

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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.