Home / 486,314,554.72-671,113,121.52-263,296,175.44

Finding the Fourth Proportional to 486,314,554.72, 671,113,121.52 and 263,296,175.44

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Solution

The fourth proportional to 486,314,554.72, 671,113,121.52 and 263,296,175.44 is: 363,348,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,314,554.72 : 671,113,121.52 = 263,296,175.44 : x
  2. Step 2: Convert to fraction form
    486,314,554.72/671,113,121.52 = 263,296,175.44/x
  3. Step 3: Cross multiply
    486,314,554.72x = 671,113,121.52 × 263,296,175.44
  4. Step 4: Simplify right side
    486,314,554.72x = 176,701,518,183,815,968
  5. Step 5: Solve for x
    x = 176,701,518,183,815,968/486,314,554.72
  6. Step 6: Final answer
    x = 363,348,200.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.