Home / 646,148,198.93-969,242,014.26-252,659,309.81

Finding the Fourth Proportional to 646,148,198.93, 969,242,014.26 and 252,659,309.81

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Solution

The fourth proportional to 646,148,198.93, 969,242,014.26 and 252,659,309.81 is: 378,996,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,148,198.93 : 969,242,014.26 = 252,659,309.81 : x
  2. Step 2: Convert to fraction form
    646,148,198.93/969,242,014.26 = 252,659,309.81/x
  3. Step 3: Cross multiply
    646,148,198.93x = 969,242,014.26 × 252,659,309.81
  4. Step 4: Simplify right side
    646,148,198.93x = 244,888,018,356,939,584
  5. Step 5: Solve for x
    x = 244,888,018,356,939,584/646,148,198.93
  6. Step 6: Final answer
    x = 378,996,674.08

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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.