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Finding the Fourth Proportional to 559,873,116.80, 839,809,675.20 and 284,374,102.40

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Solution

The fourth proportional to 559,873,116.80, 839,809,675.20 and 284,374,102.40 is: 426,561,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,873,116.80 : 839,809,675.20 = 284,374,102.40 : x
  2. Step 2: Convert to fraction form
    559,873,116.80/839,809,675.20 = 284,374,102.40/x
  3. Step 3: Cross multiply
    559,873,116.80x = 839,809,675.20 × 284,374,102.40
  4. Step 4: Simplify right side
    559,873,116.80x = 238,820,122,571,835,520
  5. Step 5: Solve for x
    x = 238,820,122,571,835,520/559,873,116.80
  6. Step 6: Final answer
    x = 426,561,153.60

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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.