Home / 6,121,657,231.20-9,183,619,587.60-1,981,235,829.60

Finding the Fourth Proportional to 6,121,657,231.20, 9,183,619,587.60 and 1,981,235,829.60

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Solution

The fourth proportional to 6,121,657,231.20, 9,183,619,587.60 and 1,981,235,829.60 is: 2,972,220,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,657,231.20 : 9,183,619,587.60 = 1,981,235,829.60 : x
  2. Step 2: Convert to fraction form
    6,121,657,231.20/9,183,619,587.60 = 1,981,235,829.60/x
  3. Step 3: Cross multiply
    6,121,657,231.20x = 9,183,619,587.60 × 1,981,235,829.60
  4. Step 4: Simplify right side
    6,121,657,231.20x = 18,194,916,172,369,496,064
  5. Step 5: Solve for x
    x = 18,194,916,172,369,496,064/6,121,657,231.20
  6. Step 6: Final answer
    x = 2,972,220,672.47

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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.