Home / 1,640,444,870.16-2,460,673,689.21-396,873,338.62

Finding the Fourth Proportional to 1,640,444,870.16, 2,460,673,689.21 and 396,873,338.62

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Solution

The fourth proportional to 1,640,444,870.16, 2,460,673,689.21 and 396,873,338.62 is: 595,311,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,444,870.16 : 2,460,673,689.21 = 396,873,338.62 : x
  2. Step 2: Convert to fraction form
    1,640,444,870.16/2,460,673,689.21 = 396,873,338.62/x
  3. Step 3: Cross multiply
    1,640,444,870.16x = 2,460,673,689.21 × 396,873,338.62
  4. Step 4: Simplify right side
    1,640,444,870.16x = 976,575,782,289,180,544
  5. Step 5: Solve for x
    x = 976,575,782,289,180,544/1,640,444,870.16
  6. Step 6: Final answer
    x = 595,311,552.41

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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.