Home / 445,841,307.52-668,497,029-169,512,748.66

Finding the Fourth Proportional to 445,841,307.52, 668,497,029 and 169,512,748.66

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Solution

The fourth proportional to 445,841,307.52, 668,497,029 and 169,512,748.66 is: 254,168,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841,307.52 : 668,497,029 = 169,512,748.66 : x
  2. Step 2: Convert to fraction form
    445,841,307.52/668,497,029 = 169,512,748.66/x
  3. Step 3: Cross multiply
    445,841,307.52x = 668,497,029 × 169,512,748.66
  4. Step 4: Simplify right side
    445,841,307.52x = 113,318,768,856,833,728
  5. Step 5: Solve for x
    x = 113,318,768,856,833,728/445,841,307.52
  6. Step 6: Final answer
    x = 254,168,393.43

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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.