Home / 456,310,093.95-685,248,439.48-280,082,064.26

Finding the Fourth Proportional to 456,310,093.95, 685,248,439.48 and 280,082,064.26

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Solution

The fourth proportional to 456,310,093.95, 685,248,439.48 and 280,082,064.26 is: 420,603,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,310,093.95 : 685,248,439.48 = 280,082,064.26 : x
  2. Step 2: Convert to fraction form
    456,310,093.95/685,248,439.48 = 280,082,064.26/x
  3. Step 3: Cross multiply
    456,310,093.95x = 685,248,439.48 × 280,082,064.26
  4. Step 4: Simplify right side
    456,310,093.95x = 191,925,797,461,514,976
  5. Step 5: Solve for x
    x = 191,925,797,461,514,976/456,310,093.95
  6. Step 6: Final answer
    x = 420,603,883.21

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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.