Home / 2,162,333,675.77-2,984,242,881.45-1,315,621,108.96

Finding the Fourth Proportional to 2,162,333,675.77, 2,984,242,881.45 and 1,315,621,108.96

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Solution

The fourth proportional to 2,162,333,675.77, 2,984,242,881.45 and 1,315,621,108.96 is: 1,815,692,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,333,675.77 : 2,984,242,881.45 = 1,315,621,108.96 : x
  2. Step 2: Convert to fraction form
    2,162,333,675.77/2,984,242,881.45 = 1,315,621,108.96/x
  3. Step 3: Cross multiply
    2,162,333,675.77x = 2,984,242,881.45 × 1,315,621,108.96
  4. Step 4: Simplify right side
    2,162,333,675.77x = 3,926,132,929,099,234,816
  5. Step 5: Solve for x
    x = 3,926,132,929,099,234,816/2,162,333,675.77
  6. Step 6: Final answer
    x = 1,815,692,449.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.