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Finding the Fourth Proportional to 412,920,876,690.06, 619,381,315,035.12 and 412,920,876,690.06

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Solution

The fourth proportional to 412,920,876,690.06, 619,381,315,035.12 and 412,920,876,690.06 is: 619,381,315,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,920,876,690.06 : 619,381,315,035.12 = 412,920,876,690.06 : x
  2. Step 2: Convert to fraction form
    412,920,876,690.06/619,381,315,035.12 = 412,920,876,690.06/x
  3. Step 3: Cross multiply
    412,920,876,690.06x = 619,381,315,035.12 × 412,920,876,690.06
  4. Step 4: Simplify right side
    412,920,876,690.06x = 255,755,475,609,743,997,796,352
  5. Step 5: Solve for x
    x = 255,755,475,609,743,997,796,352/412,920,876,690.06
  6. Step 6: Final answer
    x = 619,381,315,035.12

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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.