Home / 472,393,088.40-708,589,632.60-265,768,827.60

Finding the Fourth Proportional to 472,393,088.40, 708,589,632.60 and 265,768,827.60

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Solution

The fourth proportional to 472,393,088.40, 708,589,632.60 and 265,768,827.60 is: 398,653,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,088.40 : 708,589,632.60 = 265,768,827.60 : x
  2. Step 2: Convert to fraction form
    472,393,088.40/708,589,632.60 = 265,768,827.60/x
  3. Step 3: Cross multiply
    472,393,088.40x = 708,589,632.60 × 265,768,827.60
  4. Step 4: Simplify right side
    472,393,088.40x = 188,321,035,905,616,736
  5. Step 5: Solve for x
    x = 188,321,035,905,616,736/472,393,088.40
  6. Step 6: Final answer
    x = 398,653,241.40

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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.