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Finding the Fourth Proportional to 1,889,592,000.20, 2,833,537,694.70 and 724,673,328.20

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Solution

The fourth proportional to 1,889,592,000.20, 2,833,537,694.70 and 724,673,328.20 is: 1,086,683,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,592,000.20 : 2,833,537,694.70 = 724,673,328.20 : x
  2. Step 2: Convert to fraction form
    1,889,592,000.20/2,833,537,694.70 = 724,673,328.20/x
  3. Step 3: Cross multiply
    1,889,592,000.20x = 2,833,537,694.70 × 724,673,328.20
  4. Step 4: Simplify right side
    1,889,592,000.20x = 2,053,389,191,798,404,608
  5. Step 5: Solve for x
    x = 2,053,389,191,798,404,608/1,889,592,000.20
  6. Step 6: Final answer
    x = 1,086,683,893.44

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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.