Home / 485,664,449.83-670,208,570.90-273,971,738.23

Finding the Fourth Proportional to 485,664,449.83, 670,208,570.90 and 273,971,738.23

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Solution

The fourth proportional to 485,664,449.83, 670,208,570.90 and 273,971,738.23 is: 378,076,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,664,449.83 : 670,208,570.90 = 273,971,738.23 : x
  2. Step 2: Convert to fraction form
    485,664,449.83/670,208,570.90 = 273,971,738.23/x
  3. Step 3: Cross multiply
    485,664,449.83x = 670,208,570.90 × 273,971,738.23
  4. Step 4: Simplify right side
    485,664,449.83x = 183,618,207,144,747,360
  5. Step 5: Solve for x
    x = 183,618,207,144,747,360/485,664,449.83
  6. Step 6: Final answer
    x = 378,076,277.17

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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.