Home / 472,393,314.40-708,589,971.60-265,769,053.60

Finding the Fourth Proportional to 472,393,314.40, 708,589,971.60 and 265,769,053.60

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Solution

The fourth proportional to 472,393,314.40, 708,589,971.60 and 265,769,053.60 is: 398,653,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,314.40 : 708,589,971.60 = 265,769,053.60 : x
  2. Step 2: Convert to fraction form
    472,393,314.40/708,589,971.60 = 265,769,053.60/x
  3. Step 3: Cross multiply
    472,393,314.40x = 708,589,971.60 × 265,769,053.60
  4. Step 4: Simplify right side
    472,393,314.40x = 188,321,286,142,582,880
  5. Step 5: Solve for x
    x = 188,321,286,142,582,880/472,393,314.40
  6. Step 6: Final answer
    x = 398,653,580.40

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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.