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Finding the Fourth Proportional to 590,980,693.40, 886,471,040.10 and 397,488,930.20

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Solution

The fourth proportional to 590,980,693.40, 886,471,040.10 and 397,488,930.20 is: 596,233,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,980,693.40 : 886,471,040.10 = 397,488,930.20 : x
  2. Step 2: Convert to fraction form
    590,980,693.40/886,471,040.10 = 397,488,930.20/x
  3. Step 3: Cross multiply
    590,980,693.40x = 886,471,040.10 × 397,488,930.20
  4. Step 4: Simplify right side
    590,980,693.40x = 352,362,425,382,630,272
  5. Step 5: Solve for x
    x = 352,362,425,382,630,272/590,980,693.40
  6. Step 6: Final answer
    x = 596,233,395.30

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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.