Home / 340,847,606.80-510,263,640.60-320,916,163.60

Finding the Fourth Proportional to 340,847,606.80, 510,263,640.60 and 320,916,163.60

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Solution

The fourth proportional to 340,847,606.80, 510,263,640.60 and 320,916,163.60 is: 480,425,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,847,606.80 : 510,263,640.60 = 320,916,163.60 : x
  2. Step 2: Convert to fraction form
    340,847,606.80/510,263,640.60 = 320,916,163.60/x
  3. Step 3: Cross multiply
    340,847,606.80x = 510,263,640.60 × 320,916,163.60
  4. Step 4: Simplify right side
    340,847,606.80x = 163,751,849,965,921,216
  5. Step 5: Solve for x
    x = 163,751,849,965,921,216/340,847,606.80
  6. Step 6: Final answer
    x = 480,425,406.25

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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.