Home / 18,724,514,872.41-28,083,782,509.10-5,456,669,659.15

Finding the Fourth Proportional to 18,724,514,872.41, 28,083,782,509.10 and 5,456,669,659.15

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Solution

The fourth proportional to 18,724,514,872.41, 28,083,782,509.10 and 5,456,669,659.15 is: 8,184,133,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,514,872.41 : 28,083,782,509.10 = 5,456,669,659.15 : x
  2. Step 2: Convert to fraction form
    18,724,514,872.41/28,083,782,509.10 = 5,456,669,659.15/x
  3. Step 3: Cross multiply
    18,724,514,872.41x = 28,083,782,509.10 × 5,456,669,659.15
  4. Step 4: Simplify right side
    18,724,514,872.41x = 153,243,923,931,573,420,032
  5. Step 5: Solve for x
    x = 153,243,923,931,573,420,032/18,724,514,872.41
  6. Step 6: Final answer
    x = 8,184,133,205.90

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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.