Home / 12,811,306,485.80-19,219,857,460.50-6,915,739,187

Finding the Fourth Proportional to 12,811,306,485.80, 19,219,857,460.50 and 6,915,739,187

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Solution

The fourth proportional to 12,811,306,485.80, 19,219,857,460.50 and 6,915,739,187 is: 10,375,173,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,306,485.80 : 19,219,857,460.50 = 6,915,739,187 : x
  2. Step 2: Convert to fraction form
    12,811,306,485.80/19,219,857,460.50 = 6,915,739,187/x
  3. Step 3: Cross multiply
    12,811,306,485.80x = 19,219,857,460.50 × 6,915,739,187
  4. Step 4: Simplify right side
    12,811,306,485.80x = 132,919,521,408,134,152,192
  5. Step 5: Solve for x
    x = 132,919,521,408,134,152,192/12,811,306,485.80
  6. Step 6: Final answer
    x = 10,375,173,020.45

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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.