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Finding the Fourth Proportional to 529,978,967.46, 794,600,314.13 and 234,713,189.60

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Solution

The fourth proportional to 529,978,967.46, 794,600,314.13 and 234,713,189.60 is: 351,906,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,978,967.46 : 794,600,314.13 = 234,713,189.60 : x
  2. Step 2: Convert to fraction form
    529,978,967.46/794,600,314.13 = 234,713,189.60/x
  3. Step 3: Cross multiply
    529,978,967.46x = 794,600,314.13 × 234,713,189.60
  4. Step 4: Simplify right side
    529,978,967.46x = 186,503,174,186,207,776
  5. Step 5: Solve for x
    x = 186,503,174,186,207,776/529,978,967.46
  6. Step 6: Final answer
    x = 351,906,746.56

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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.