Home / 2,981,195,200.80-4,113,881,461.44-1,643,081,214.24

Finding the Fourth Proportional to 2,981,195,200.80, 4,113,881,461.44 and 1,643,081,214.24

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Solution

The fourth proportional to 2,981,195,200.80, 4,113,881,461.44 and 1,643,081,214.24 is: 2,267,359,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,195,200.80 : 4,113,881,461.44 = 1,643,081,214.24 : x
  2. Step 2: Convert to fraction form
    2,981,195,200.80/4,113,881,461.44 = 1,643,081,214.24/x
  3. Step 3: Cross multiply
    2,981,195,200.80x = 4,113,881,461.44 × 1,643,081,214.24
  4. Step 4: Simplify right side
    2,981,195,200.80x = 6,759,441,346,902,260,736
  5. Step 5: Solve for x
    x = 6,759,441,346,902,260,736/2,981,195,200.80
  6. Step 6: Final answer
    x = 2,267,359,529.19

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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.