Home / 1,328,707,623.30-1,993,054,185.05-541,758,188.58

Finding the Fourth Proportional to 1,328,707,623.30, 1,993,054,185.05 and 541,758,188.58

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Solution

The fourth proportional to 1,328,707,623.30, 1,993,054,185.05 and 541,758,188.58 is: 812,634,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,707,623.30 : 1,993,054,185.05 = 541,758,188.58 : x
  2. Step 2: Convert to fraction form
    1,328,707,623.30/1,993,054,185.05 = 541,758,188.58/x
  3. Step 3: Cross multiply
    1,328,707,623.30x = 1,993,054,185.05 × 541,758,188.58
  4. Step 4: Simplify right side
    1,328,707,623.30x = 1,079,753,425,031,767,424
  5. Step 5: Solve for x
    x = 1,079,753,425,031,767,424/1,328,707,623.30
  6. Step 6: Final answer
    x = 812,634,326.84

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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.