Home / 505,592,383.11-758,388,574.67-142,086,739.11

Finding the Fourth Proportional to 505,592,383.11, 758,388,574.67 and 142,086,739.11

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Solution

The fourth proportional to 505,592,383.11, 758,388,574.67 and 142,086,739.11 is: 213,130,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,592,383.11 : 758,388,574.67 = 142,086,739.11 : x
  2. Step 2: Convert to fraction form
    505,592,383.11/758,388,574.67 = 142,086,739.11/x
  3. Step 3: Cross multiply
    505,592,383.11x = 758,388,574.67 × 142,086,739.11
  4. Step 4: Simplify right side
    505,592,383.11x = 107,756,959,555,716,640
  5. Step 5: Solve for x
    x = 107,756,959,555,716,640/505,592,383.11
  6. Step 6: Final answer
    x = 213,130,108.67

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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.