Home / 452,761,792.80-679,286,243.52-161,622,676.32

Finding the Fourth Proportional to 452,761,792.80, 679,286,243.52 and 161,622,676.32

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Solution

The fourth proportional to 452,761,792.80, 679,286,243.52 and 161,622,676.32 is: 242,485,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,761,792.80 : 679,286,243.52 = 161,622,676.32 : x
  2. Step 2: Convert to fraction form
    452,761,792.80/679,286,243.52 = 161,622,676.32/x
  3. Step 3: Cross multiply
    452,761,792.80x = 679,286,243.52 × 161,622,676.32
  4. Step 4: Simplify right side
    452,761,792.80x = 109,788,060,665,061,648
  5. Step 5: Solve for x
    x = 109,788,060,665,061,648/452,761,792.80
  6. Step 6: Final answer
    x = 242,485,259.16

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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.