Home / 779,239,107.68-1,075,336,677.38-422,003,982.70

Finding the Fourth Proportional to 779,239,107.68, 1,075,336,677.38 and 422,003,982.70

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Solution

The fourth proportional to 779,239,107.68, 1,075,336,677.38 and 422,003,982.70 is: 582,358,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,239,107.68 : 1,075,336,677.38 = 422,003,982.70 : x
  2. Step 2: Convert to fraction form
    779,239,107.68/1,075,336,677.38 = 422,003,982.70/x
  3. Step 3: Cross multiply
    779,239,107.68x = 1,075,336,677.38 × 422,003,982.70
  4. Step 4: Simplify right side
    779,239,107.68x = 453,796,360,594,100,800
  5. Step 5: Solve for x
    x = 453,796,360,594,100,800/779,239,107.68
  6. Step 6: Final answer
    x = 582,358,298.14

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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.