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Finding the Fourth Proportional to 590,978,078.60, 886,467,117.90 and 559,233,336.20

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Solution

The fourth proportional to 590,978,078.60, 886,467,117.90 and 559,233,336.20 is: 838,850,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,978,078.60 : 886,467,117.90 = 559,233,336.20 : x
  2. Step 2: Convert to fraction form
    590,978,078.60/886,467,117.90 = 559,233,336.20/x
  3. Step 3: Cross multiply
    590,978,078.60x = 886,467,117.90 × 559,233,336.20
  4. Step 4: Simplify right side
    590,978,078.60x = 495,741,963,774,815,744
  5. Step 5: Solve for x
    x = 495,741,963,774,815,744/590,978,078.60
  6. Step 6: Final answer
    x = 838,850,004.30

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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.