Home / 503,333,039.56-694,621,144.71-280,314,720.58

Finding the Fourth Proportional to 503,333,039.56, 694,621,144.71 and 280,314,720.58

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Solution

The fourth proportional to 503,333,039.56, 694,621,144.71 and 280,314,720.58 is: 386,846,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,333,039.56 : 694,621,144.71 = 280,314,720.58 : x
  2. Step 2: Convert to fraction form
    503,333,039.56/694,621,144.71 = 280,314,720.58/x
  3. Step 3: Cross multiply
    503,333,039.56x = 694,621,144.71 × 280,314,720.58
  4. Step 4: Simplify right side
    503,333,039.56x = 194,712,532,088,343,392
  5. Step 5: Solve for x
    x = 194,712,532,088,343,392/503,333,039.56
  6. Step 6: Final answer
    x = 386,846,316.03

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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.