Home / 1,972,439,735.93-2,721,869,741.18-1,080,370,429.69

Finding the Fourth Proportional to 1,972,439,735.93, 2,721,869,741.18 and 1,080,370,429.69

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Solution

The fourth proportional to 1,972,439,735.93, 2,721,869,741.18 and 1,080,370,429.69 is: 1,490,858,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,439,735.93 : 2,721,869,741.18 = 1,080,370,429.69 : x
  2. Step 2: Convert to fraction form
    1,972,439,735.93/2,721,869,741.18 = 1,080,370,429.69/x
  3. Step 3: Cross multiply
    1,972,439,735.93x = 2,721,869,741.18 × 1,080,370,429.69
  4. Step 4: Simplify right side
    1,972,439,735.93x = 2,940,627,581,834,741,760
  5. Step 5: Solve for x
    x = 2,940,627,581,834,741,760/1,972,439,735.93
  6. Step 6: Final answer
    x = 1,490,858,011.15

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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.