Home / 314,928,880.05-472,393,320.09-277,940,586.45

Finding the Fourth Proportional to 314,928,880.05, 472,393,320.09 and 277,940,586.45

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Solution

The fourth proportional to 314,928,880.05, 472,393,320.09 and 277,940,586.45 is: 416,910,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,880.05 : 472,393,320.09 = 277,940,586.45 : x
  2. Step 2: Convert to fraction form
    314,928,880.05/472,393,320.09 = 277,940,586.45/x
  3. Step 3: Cross multiply
    314,928,880.05x = 472,393,320.09 × 277,940,586.45
  4. Step 4: Simplify right side
    314,928,880.05x = 131,297,276,420,877,152
  5. Step 5: Solve for x
    x = 131,297,276,420,877,152/314,928,880.05
  6. Step 6: Final answer
    x = 416,910,879.69

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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.