Home / 270,453,684,997.22-405,759,044,235.61-109,021,781,445.62

Finding the Fourth Proportional to 270,453,684,997.22, 405,759,044,235.61 and 109,021,781,445.62

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Solution

The fourth proportional to 270,453,684,997.22, 405,759,044,235.61 and 109,021,781,445.62 is: 163,564,322,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,453,684,997.22 : 405,759,044,235.61 = 109,021,781,445.62 : x
  2. Step 2: Convert to fraction form
    270,453,684,997.22/405,759,044,235.61 = 109,021,781,445.62/x
  3. Step 3: Cross multiply
    270,453,684,997.22x = 405,759,044,235.61 × 109,021,781,445.62
  4. Step 4: Simplify right side
    270,453,684,997.22x = 44,236,573,840,238,327,103,488
  5. Step 5: Solve for x
    x = 44,236,573,840,238,327,103,488/270,453,684,997.22
  6. Step 6: Final answer
    x = 163,564,322,818.13

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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.