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Finding the Fourth Proportional to 332,927,999.80, 499,391,999.70 and 306,651,340.60

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Solution

The fourth proportional to 332,927,999.80, 499,391,999.70 and 306,651,340.60 is: 459,977,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,927,999.80 : 499,391,999.70 = 306,651,340.60 : x
  2. Step 2: Convert to fraction form
    332,927,999.80/499,391,999.70 = 306,651,340.60/x
  3. Step 3: Cross multiply
    332,927,999.80x = 499,391,999.70 × 306,651,340.60
  4. Step 4: Simplify right side
    332,927,999.80x = 153,139,226,192,919,808
  5. Step 5: Solve for x
    x = 153,139,226,192,919,808/332,927,999.80
  6. Step 6: Final answer
    x = 459,977,010.90

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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.