Home / 472,859,764.20-708,095,252.70-310,422,234.60

Finding the Fourth Proportional to 472,859,764.20, 708,095,252.70 and 310,422,234.60

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Solution

The fourth proportional to 472,859,764.20, 708,095,252.70 and 310,422,234.60 is: 464,849,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,859,764.20 : 708,095,252.70 = 310,422,234.60 : x
  2. Step 2: Convert to fraction form
    472,859,764.20/708,095,252.70 = 310,422,234.60/x
  3. Step 3: Cross multiply
    472,859,764.20x = 708,095,252.70 × 310,422,234.60
  4. Step 4: Simplify right side
    472,859,764.20x = 219,808,510,652,785,728
  5. Step 5: Solve for x
    x = 219,808,510,652,785,728/472,859,764.20
  6. Step 6: Final answer
    x = 464,849,258.27

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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.