Home / 682,991,746.32-1,024,334,288.40-314,172,479.60

Finding the Fourth Proportional to 682,991,746.32, 1,024,334,288.40 and 314,172,479.60

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Solution

The fourth proportional to 682,991,746.32, 1,024,334,288.40 and 314,172,479.60 is: 471,188,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,991,746.32 : 1,024,334,288.40 = 314,172,479.60 : x
  2. Step 2: Convert to fraction form
    682,991,746.32/1,024,334,288.40 = 314,172,479.60/x
  3. Step 3: Cross multiply
    682,991,746.32x = 1,024,334,288.40 × 314,172,479.60
  4. Step 4: Simplify right side
    682,991,746.32x = 321,817,643,325,929,536
  5. Step 5: Solve for x
    x = 321,817,643,325,929,536/682,991,746.32
  6. Step 6: Final answer
    x = 471,188,187.94

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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.