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Finding the Fourth Proportional to 859,628,592.60, 1,286,466,819.30 and 514,829,671.80

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Solution

The fourth proportional to 859,628,592.60, 1,286,466,819.30 and 514,829,671.80 is: 770,462,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,628,592.60 : 1,286,466,819.30 = 514,829,671.80 : x
  2. Step 2: Convert to fraction form
    859,628,592.60/1,286,466,819.30 = 514,829,671.80/x
  3. Step 3: Cross multiply
    859,628,592.60x = 1,286,466,819.30 × 514,829,671.80
  4. Step 4: Simplify right side
    859,628,592.60x = 662,311,290,361,808,896
  5. Step 5: Solve for x
    x = 662,311,290,361,808,896/859,628,592.60
  6. Step 6: Final answer
    x = 770,462,146.17

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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.