Home / 304,485,698.79-420,190,673.45-165,256,462.53

Finding the Fourth Proportional to 304,485,698.79, 420,190,673.45 and 165,256,462.53

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Solution

The fourth proportional to 304,485,698.79, 420,190,673.45 and 165,256,462.53 is: 228,054,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,698.79 : 420,190,673.45 = 165,256,462.53 : x
  2. Step 2: Convert to fraction form
    304,485,698.79/420,190,673.45 = 165,256,462.53/x
  3. Step 3: Cross multiply
    304,485,698.79x = 420,190,673.45 × 165,256,462.53
  4. Step 4: Simplify right side
    304,485,698.79x = 69,439,224,281,619,104
  5. Step 5: Solve for x
    x = 69,439,224,281,619,104/304,485,698.79
  6. Step 6: Final answer
    x = 228,054,140.33

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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.