Home / 626,154,933.60-939,347,864.01-205,999,949.88

Finding the Fourth Proportional to 626,154,933.60, 939,347,864.01 and 205,999,949.88

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Solution

The fourth proportional to 626,154,933.60, 939,347,864.01 and 205,999,949.88 is: 309,037,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,154,933.60 : 939,347,864.01 = 205,999,949.88 : x
  2. Step 2: Convert to fraction form
    626,154,933.60/939,347,864.01 = 205,999,949.88/x
  3. Step 3: Cross multiply
    626,154,933.60x = 939,347,864.01 × 205,999,949.88
  4. Step 4: Simplify right side
    626,154,933.60x = 193,505,612,905,945,056
  5. Step 5: Solve for x
    x = 193,505,612,905,945,056/626,154,933.60
  6. Step 6: Final answer
    x = 309,037,911.42

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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.