Home / 279,230,446.24-385,333,314.60-153,794,323.12

Finding the Fourth Proportional to 279,230,446.24, 385,333,314.60 and 153,794,323.12

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Solution

The fourth proportional to 279,230,446.24, 385,333,314.60 and 153,794,323.12 is: 212,233,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,230,446.24 : 385,333,314.60 = 153,794,323.12 : x
  2. Step 2: Convert to fraction form
    279,230,446.24/385,333,314.60 = 153,794,323.12/x
  3. Step 3: Cross multiply
    279,230,446.24x = 385,333,314.60 × 153,794,323.12
  4. Step 4: Simplify right side
    279,230,446.24x = 59,262,076,294,493,016
  5. Step 5: Solve for x
    x = 59,262,076,294,493,016/279,230,446.24
  6. Step 6: Final answer
    x = 212,233,576.58

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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.