Home / 559,872,705.20-839,809,057.80-491,848,257.20

Finding the Fourth Proportional to 559,872,705.20, 839,809,057.80 and 491,848,257.20

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Solution

The fourth proportional to 559,872,705.20, 839,809,057.80 and 491,848,257.20 is: 737,772,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,705.20 : 839,809,057.80 = 491,848,257.20 : x
  2. Step 2: Convert to fraction form
    559,872,705.20/839,809,057.80 = 491,848,257.20/x
  3. Step 3: Cross multiply
    559,872,705.20x = 839,809,057.80 × 491,848,257.20
  4. Step 4: Simplify right side
    559,872,705.20x = 413,058,621,459,704,064
  5. Step 5: Solve for x
    x = 413,058,621,459,704,064/559,872,705.20
  6. Step 6: Final answer
    x = 737,772,385.80

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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.