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Finding the Fourth Proportional to 590,978,415.60, 886,467,623.40 and 397,486,652.40

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Solution

The fourth proportional to 590,978,415.60, 886,467,623.40 and 397,486,652.40 is: 596,229,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,978,415.60 : 886,467,623.40 = 397,486,652.40 : x
  2. Step 2: Convert to fraction form
    590,978,415.60/886,467,623.40 = 397,486,652.40/x
  3. Step 3: Cross multiply
    590,978,415.60x = 886,467,623.40 × 397,486,652.40
  4. Step 4: Simplify right side
    590,978,415.60x = 352,359,048,086,249,856
  5. Step 5: Solve for x
    x = 352,359,048,086,249,856/590,978,415.60
  6. Step 6: Final answer
    x = 596,229,978.60

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1.5x scale

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.