Home / 1,085,317,022.58-1,628,645,151.35-502,942,717.14

Finding the Fourth Proportional to 1,085,317,022.58, 1,628,645,151.35 and 502,942,717.14

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Solution

The fourth proportional to 1,085,317,022.58, 1,628,645,151.35 and 502,942,717.14 is: 754,724,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,317,022.58 : 1,628,645,151.35 = 502,942,717.14 : x
  2. Step 2: Convert to fraction form
    1,085,317,022.58/1,628,645,151.35 = 502,942,717.14/x
  3. Step 3: Cross multiply
    1,085,317,022.58x = 1,628,645,151.35 × 502,942,717.14
  4. Step 4: Simplify right side
    1,085,317,022.58x = 819,115,217,676,855,424
  5. Step 5: Solve for x
    x = 819,115,217,676,855,424/1,085,317,022.58
  6. Step 6: Final answer
    x = 754,724,380.65

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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.