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Finding the Fourth Proportional to 559,872,907.60, 839,809,361.40 and 171,692,654.80

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Solution

The fourth proportional to 559,872,907.60, 839,809,361.40 and 171,692,654.80 is: 257,538,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,907.60 : 839,809,361.40 = 171,692,654.80 : x
  2. Step 2: Convert to fraction form
    559,872,907.60/839,809,361.40 = 171,692,654.80/x
  3. Step 3: Cross multiply
    559,872,907.60x = 839,809,361.40 × 171,692,654.80
  4. Step 4: Simplify right side
    559,872,907.60x = 144,189,098,784,658,656
  5. Step 5: Solve for x
    x = 144,189,098,784,658,656/559,872,907.60
  6. Step 6: Final answer
    x = 257,538,982.20

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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.