Home / 1,012,872,193.57-1,519,279,946.83-322,820,855.65

Finding the Fourth Proportional to 1,012,872,193.57, 1,519,279,946.83 and 322,820,855.65

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Solution

The fourth proportional to 1,012,872,193.57, 1,519,279,946.83 and 322,820,855.65 is: 484,222,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,872,193.57 : 1,519,279,946.83 = 322,820,855.65 : x
  2. Step 2: Convert to fraction form
    1,012,872,193.57/1,519,279,946.83 = 322,820,855.65/x
  3. Step 3: Cross multiply
    1,012,872,193.57x = 1,519,279,946.83 × 322,820,855.65
  4. Step 4: Simplify right side
    1,012,872,193.57x = 490,455,252,407,547,072
  5. Step 5: Solve for x
    x = 490,455,252,407,547,072/1,012,872,193.57
  6. Step 6: Final answer
    x = 484,222,249.88

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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.