Home / 628,443,222.30-942,743,095.25-213,888,186.90

Finding the Fourth Proportional to 628,443,222.30, 942,743,095.25 and 213,888,186.90

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Solution

The fourth proportional to 628,443,222.30, 942,743,095.25 and 213,888,186.90 is: 320,858,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,443,222.30 : 942,743,095.25 = 213,888,186.90 : x
  2. Step 2: Convert to fraction form
    628,443,222.30/942,743,095.25 = 213,888,186.90/x
  3. Step 3: Cross multiply
    628,443,222.30x = 942,743,095.25 × 213,888,186.90
  4. Step 4: Simplify right side
    628,443,222.30x = 201,641,611,354,447,072
  5. Step 5: Solve for x
    x = 201,641,611,354,447,072/628,443,222.30
  6. Step 6: Final answer
    x = 320,858,916.45

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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.