Home / 15,393,838,879.71-23,099,493,338.91-8,311,227,438.69

Finding the Fourth Proportional to 15,393,838,879.71, 23,099,493,338.91 and 8,311,227,438.69

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Solution

The fourth proportional to 15,393,838,879.71, 23,099,493,338.91 and 8,311,227,438.69 is: 12,471,557,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393,838,879.71 : 23,099,493,338.91 = 8,311,227,438.69 : x
  2. Step 2: Convert to fraction form
    15,393,838,879.71/23,099,493,338.91 = 8,311,227,438.69/x
  3. Step 3: Cross multiply
    15,393,838,879.71x = 23,099,493,338.91 × 8,311,227,438.69
  4. Step 4: Simplify right side
    15,393,838,879.71x = 191,985,142,858,194,911,232
  5. Step 5: Solve for x
    x = 191,985,142,858,194,911,232/15,393,838,879.71
  6. Step 6: Final answer
    x = 12,471,557,248.22

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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.