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Finding the Fourth Proportional to 559,557,763.60, 839,336,645.40 and 355,988,304.40

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Solution

The fourth proportional to 559,557,763.60, 839,336,645.40 and 355,988,304.40 is: 533,982,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,557,763.60 : 839,336,645.40 = 355,988,304.40 : x
  2. Step 2: Convert to fraction form
    559,557,763.60/839,336,645.40 = 355,988,304.40/x
  3. Step 3: Cross multiply
    559,557,763.60x = 839,336,645.40 × 355,988,304.40
  4. Step 4: Simplify right side
    559,557,763.60x = 298,794,029,216,730,048
  5. Step 5: Solve for x
    x = 298,794,029,216,730,048/559,557,763.60
  6. Step 6: Final answer
    x = 533,982,456.60

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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.