Home / 685,706,602.20-946,259,016.32-403,467,323.44

Finding the Fourth Proportional to 685,706,602.20, 946,259,016.32 and 403,467,323.44

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Solution

The fourth proportional to 685,706,602.20, 946,259,016.32 and 403,467,323.44 is: 556,775,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,706,602.20 : 946,259,016.32 = 403,467,323.44 : x
  2. Step 2: Convert to fraction form
    685,706,602.20/946,259,016.32 = 403,467,323.44/x
  3. Step 3: Cross multiply
    685,706,602.20x = 946,259,016.32 × 403,467,323.44
  4. Step 4: Simplify right side
    685,706,602.20x = 381,784,592,595,597,696
  5. Step 5: Solve for x
    x = 381,784,592,595,597,696/685,706,602.20
  6. Step 6: Final answer
    x = 556,775,436.27

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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.