Home / 309,795,881.22-464,523,644.07-212,775,999.30

Finding the Fourth Proportional to 309,795,881.22, 464,523,644.07 and 212,775,999.30

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Solution

The fourth proportional to 309,795,881.22, 464,523,644.07 and 212,775,999.30 is: 319,047,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,795,881.22 : 464,523,644.07 = 212,775,999.30 : x
  2. Step 2: Convert to fraction form
    309,795,881.22/464,523,644.07 = 212,775,999.30/x
  3. Step 3: Cross multiply
    309,795,881.22x = 464,523,644.07 × 212,775,999.30
  4. Step 4: Simplify right side
    309,795,881.22x = 98,839,482,565,471,776
  5. Step 5: Solve for x
    x = 98,839,482,565,471,776/309,795,881.22
  6. Step 6: Final answer
    x = 319,047,116.37

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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.