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Finding the Fourth Proportional to 569,861,020.40, 854,938,905.48 and 333,709,977.68

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Solution

The fourth proportional to 569,861,020.40, 854,938,905.48 and 333,709,977.68 is: 500,651,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,861,020.40 : 854,938,905.48 = 333,709,977.68 : x
  2. Step 2: Convert to fraction form
    569,861,020.40/854,938,905.48 = 333,709,977.68/x
  3. Step 3: Cross multiply
    569,861,020.40x = 854,938,905.48 × 333,709,977.68
  4. Step 4: Simplify right side
    569,861,020.40x = 285,301,643,065,494,432
  5. Step 5: Solve for x
    x = 285,301,643,065,494,432/569,861,020.40
  6. Step 6: Final answer
    x = 500,651,269.09

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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.