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Finding the Fourth Proportional to 590,494,219.80, 885,741,329.70 and 437,439,211.80

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Solution

The fourth proportional to 590,494,219.80, 885,741,329.70 and 437,439,211.80 is: 656,158,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,494,219.80 : 885,741,329.70 = 437,439,211.80 : x
  2. Step 2: Convert to fraction form
    590,494,219.80/885,741,329.70 = 437,439,211.80/x
  3. Step 3: Cross multiply
    590,494,219.80x = 885,741,329.70 × 437,439,211.80
  4. Step 4: Simplify right side
    590,494,219.80x = 387,457,989,122,651,968
  5. Step 5: Solve for x
    x = 387,457,989,122,651,968/590,494,219.80
  6. Step 6: Final answer
    x = 656,158,817.70

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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.