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Finding the Fourth Proportional to 895,818,788, 1,343,728,182 and 215,014,436

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Solution

The fourth proportional to 895,818,788, 1,343,728,182 and 215,014,436 is: 322,521,654

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,818,788 : 1,343,728,182 = 215,014,436 : x
  2. Step 2: Convert to fraction form
    895,818,788/1,343,728,182 = 215,014,436/x
  3. Step 3: Cross multiply
    895,818,788x = 1,343,728,182 × 215,014,436
  4. Step 4: Simplify right side
    895,818,788x = 288,920,957,190,035,328
  5. Step 5: Solve for x
    x = 288,920,957,190,035,328/895,818,788
  6. Step 6: Final answer
    x = 322,521,654

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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.