Home / 628,458,274.77-867,377,955.06-364,305,503.85

Finding the Fourth Proportional to 628,458,274.77, 867,377,955.06 and 364,305,503.85

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Solution

The fourth proportional to 628,458,274.77, 867,377,955.06 and 364,305,503.85 is: 502,802,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,458,274.77 : 867,377,955.06 = 364,305,503.85 : x
  2. Step 2: Convert to fraction form
    628,458,274.77/867,377,955.06 = 364,305,503.85/x
  3. Step 3: Cross multiply
    628,458,274.77x = 867,377,955.06 × 364,305,503.85
  4. Step 4: Simplify right side
    628,458,274.77x = 315,990,562,946,515,968
  5. Step 5: Solve for x
    x = 315,990,562,946,515,968/628,458,274.77
  6. Step 6: Final answer
    x = 502,802,772.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.