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Finding the Fourth Proportional to 675,612,402.87, 1,013,222,856.87 and 202,892,374.74

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Solution

The fourth proportional to 675,612,402.87, 1,013,222,856.87 and 202,892,374.74 is: 304,279,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,612,402.87 : 1,013,222,856.87 = 202,892,374.74 : x
  2. Step 2: Convert to fraction form
    675,612,402.87/1,013,222,856.87 = 202,892,374.74/x
  3. Step 3: Cross multiply
    675,612,402.87x = 1,013,222,856.87 × 202,892,374.74
  4. Step 4: Simplify right side
    675,612,402.87x = 205,575,191,571,201,440
  5. Step 5: Solve for x
    x = 205,575,191,571,201,440/675,612,402.87
  6. Step 6: Final answer
    x = 304,279,777.43

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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.