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Finding the Fourth Proportional to 559,884,014.80, 839,826,022.20 and 396,625,339.60

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Solution

The fourth proportional to 559,884,014.80, 839,826,022.20 and 396,625,339.60 is: 594,938,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,884,014.80 : 839,826,022.20 = 396,625,339.60 : x
  2. Step 2: Convert to fraction form
    559,884,014.80/839,826,022.20 = 396,625,339.60/x
  3. Step 3: Cross multiply
    559,884,014.80x = 839,826,022.20 × 396,625,339.60
  4. Step 4: Simplify right side
    559,884,014.80x = 333,096,281,259,992,192
  5. Step 5: Solve for x
    x = 333,096,281,259,992,192/559,884,014.80
  6. Step 6: Final answer
    x = 594,938,009.40

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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.