Home / 1,981,691,599.77-2,973,696,522.35-738,980,594.19

Finding the Fourth Proportional to 1,981,691,599.77, 2,973,696,522.35 and 738,980,594.19

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Solution

The fourth proportional to 1,981,691,599.77, 2,973,696,522.35 and 738,980,594.19 is: 1,108,903,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,691,599.77 : 2,973,696,522.35 = 738,980,594.19 : x
  2. Step 2: Convert to fraction form
    1,981,691,599.77/2,973,696,522.35 = 738,980,594.19/x
  3. Step 3: Cross multiply
    1,981,691,599.77x = 2,973,696,522.35 × 738,980,594.19
  4. Step 4: Simplify right side
    1,981,691,599.77x = 2,197,504,023,023,244,800
  5. Step 5: Solve for x
    x = 2,197,504,023,023,244,800/1,981,691,599.77
  6. Step 6: Final answer
    x = 1,108,903,132.70

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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.