Home / 559,872,533.70-839,808,800.55-491,848,085.70

Finding the Fourth Proportional to 559,872,533.70, 839,808,800.55 and 491,848,085.70

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Solution

The fourth proportional to 559,872,533.70, 839,808,800.55 and 491,848,085.70 is: 737,772,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,533.70 : 839,808,800.55 = 491,848,085.70 : x
  2. Step 2: Convert to fraction form
    559,872,533.70/839,808,800.55 = 491,848,085.70/x
  3. Step 3: Cross multiply
    559,872,533.70x = 839,808,800.55 × 491,848,085.70
  4. Step 4: Simplify right side
    559,872,533.70x = 413,058,350,904,530,560
  5. Step 5: Solve for x
    x = 413,058,350,904,530,560/559,872,533.70
  6. Step 6: Final answer
    x = 737,772,128.55

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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.