Home / 330,142,964-455,117,115.48-230,715,023.36

Finding the Fourth Proportional to 330,142,964, 455,117,115.48 and 230,715,023.36

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Solution

The fourth proportional to 330,142,964, 455,117,115.48 and 230,715,023.36 is: 318,051,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,142,964 : 455,117,115.48 = 230,715,023.36 : x
  2. Step 2: Convert to fraction form
    330,142,964/455,117,115.48 = 230,715,023.36/x
  3. Step 3: Cross multiply
    330,142,964x = 455,117,115.48 × 230,715,023.36
  4. Step 4: Simplify right side
    330,142,964x = 105,002,355,929,504,032
  5. Step 5: Solve for x
    x = 105,002,355,929,504,032/330,142,964
  6. Step 6: Final answer
    x = 318,051,169.89

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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.