Home / 627,908,064.72-941,948,290.01-213,273,571.81

Finding the Fourth Proportional to 627,908,064.72, 941,948,290.01 and 213,273,571.81

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Solution

The fourth proportional to 627,908,064.72, 941,948,290.01 and 213,273,571.81 is: 319,939,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,908,064.72 : 941,948,290.01 = 213,273,571.81 : x
  2. Step 2: Convert to fraction form
    627,908,064.72/941,948,290.01 = 213,273,571.81/x
  3. Step 3: Cross multiply
    627,908,064.72x = 941,948,290.01 × 213,273,571.81
  4. Step 4: Simplify right side
    627,908,064.72x = 200,892,676,270,097,024
  5. Step 5: Solve for x
    x = 200,892,676,270,097,024/627,908,064.72
  6. Step 6: Final answer
    x = 319,939,633.78

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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.