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Finding the Fourth Proportional to 548,969,866.36, 757,583,859.15 and 298,076,314.30

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Solution

The fourth proportional to 548,969,866.36, 757,583,859.15 and 298,076,314.30 is: 411,348,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,969,866.36 : 757,583,859.15 = 298,076,314.30 : x
  2. Step 2: Convert to fraction form
    548,969,866.36/757,583,859.15 = 298,076,314.30/x
  3. Step 3: Cross multiply
    548,969,866.36x = 757,583,859.15 × 298,076,314.30
  4. Step 4: Simplify right side
    548,969,866.36x = 225,817,804,506,708,384
  5. Step 5: Solve for x
    x = 225,817,804,506,708,384/548,969,866.36
  6. Step 6: Final answer
    x = 411,348,269.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.