Home / 485,775,040.59-670,311,946.67-274,069,529.24

Finding the Fourth Proportional to 485,775,040.59, 670,311,946.67 and 274,069,529.24

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Solution

The fourth proportional to 485,775,040.59, 670,311,946.67 and 274,069,529.24 is: 378,183,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,775,040.59 : 670,311,946.67 = 274,069,529.24 : x
  2. Step 2: Convert to fraction form
    485,775,040.59/670,311,946.67 = 274,069,529.24/x
  3. Step 3: Cross multiply
    485,775,040.59x = 670,311,946.67 × 274,069,529.24
  4. Step 4: Simplify right side
    485,775,040.59x = 183,712,079,663,072,992
  5. Step 5: Solve for x
    x = 183,712,079,663,072,992/485,775,040.59
  6. Step 6: Final answer
    x = 378,183,447.71

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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.