Home / 619,460,992.45-928,851,860.09-245,590,131.51

Finding the Fourth Proportional to 619,460,992.45, 928,851,860.09 and 245,590,131.51

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Solution

The fourth proportional to 619,460,992.45, 928,851,860.09 and 245,590,131.51 is: 368,250,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,460,992.45 : 928,851,860.09 = 245,590,131.51 : x
  2. Step 2: Convert to fraction form
    619,460,992.45/928,851,860.09 = 245,590,131.51/x
  3. Step 3: Cross multiply
    619,460,992.45x = 928,851,860.09 × 245,590,131.51
  4. Step 4: Simplify right side
    619,460,992.45x = 228,116,850,473,425,184
  5. Step 5: Solve for x
    x = 228,116,850,473,425,184/619,460,992.45
  6. Step 6: Final answer
    x = 368,250,548.87

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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.