Home / 851,008,539.60-1,276,512,809.40-333,266,907.60

Finding the Fourth Proportional to 851,008,539.60, 1,276,512,809.40 and 333,266,907.60

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Solution

The fourth proportional to 851,008,539.60, 1,276,512,809.40 and 333,266,907.60 is: 499,900,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,008,539.60 : 1,276,512,809.40 = 333,266,907.60 : x
  2. Step 2: Convert to fraction form
    851,008,539.60/1,276,512,809.40 = 333,266,907.60/x
  3. Step 3: Cross multiply
    851,008,539.60x = 1,276,512,809.40 × 333,266,907.60
  4. Step 4: Simplify right side
    851,008,539.60x = 425,419,476,500,526,272
  5. Step 5: Solve for x
    x = 425,419,476,500,526,272/851,008,539.60
  6. Step 6: Final answer
    x = 499,900,361.40

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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.