Home / 472,393,084.40-708,589,626.60-265,768,823.60

Finding the Fourth Proportional to 472,393,084.40, 708,589,626.60 and 265,768,823.60

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Solution

The fourth proportional to 472,393,084.40, 708,589,626.60 and 265,768,823.60 is: 398,653,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,084.40 : 708,589,626.60 = 265,768,823.60 : x
  2. Step 2: Convert to fraction form
    472,393,084.40/708,589,626.60 = 265,768,823.60/x
  3. Step 3: Cross multiply
    472,393,084.40x = 708,589,626.60 × 265,768,823.60
  4. Step 4: Simplify right side
    472,393,084.40x = 188,321,031,476,645,280
  5. Step 5: Solve for x
    x = 188,321,031,476,645,280/472,393,084.40
  6. Step 6: Final answer
    x = 398,653,235.40

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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.