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Finding the Fourth Proportional to 559,872,574.80, 839,808,862.20 and 196,366,930.80

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Solution

The fourth proportional to 559,872,574.80, 839,808,862.20 and 196,366,930.80 is: 294,550,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,574.80 : 839,808,862.20 = 196,366,930.80 : x
  2. Step 2: Convert to fraction form
    559,872,574.80/839,808,862.20 = 196,366,930.80/x
  3. Step 3: Cross multiply
    559,872,574.80x = 839,808,862.20 × 196,366,930.80
  4. Step 4: Simplify right side
    559,872,574.80x = 164,910,688,728,854,144
  5. Step 5: Solve for x
    x = 164,910,688,728,854,144/559,872,574.80
  6. Step 6: Final answer
    x = 294,550,396.20

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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.