Home / 503,333,040.06-694,621,145.39-280,314,721.08

Finding the Fourth Proportional to 503,333,040.06, 694,621,145.39 and 280,314,721.08

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Solution

The fourth proportional to 503,333,040.06, 694,621,145.39 and 280,314,721.08 is: 386,846,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,333,040.06 : 694,621,145.39 = 280,314,721.08 : x
  2. Step 2: Convert to fraction form
    503,333,040.06/694,621,145.39 = 280,314,721.08/x
  3. Step 3: Cross multiply
    503,333,040.06x = 694,621,145.39 × 280,314,721.08
  4. Step 4: Simplify right side
    503,333,040.06x = 194,712,532,624,866,400
  5. Step 5: Solve for x
    x = 194,712,532,624,866,400/503,333,040.06
  6. Step 6: Final answer
    x = 386,846,316.71

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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.