Home / 486,009,195.32-670,694,467.93-262,990,879.24

Finding the Fourth Proportional to 486,009,195.32, 670,694,467.93 and 262,990,879.24

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Solution

The fourth proportional to 486,009,195.32, 670,694,467.93 and 262,990,879.24 is: 362,928,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,009,195.32 : 670,694,467.93 = 262,990,879.24 : x
  2. Step 2: Convert to fraction form
    486,009,195.32/670,694,467.93 = 262,990,879.24/x
  3. Step 3: Cross multiply
    486,009,195.32x = 670,694,467.93 × 262,990,879.24
  4. Step 4: Simplify right side
    486,009,195.32x = 176,386,527,825,082,272
  5. Step 5: Solve for x
    x = 176,386,527,825,082,272/486,009,195.32
  6. Step 6: Final answer
    x = 362,928,375.68

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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.