Home / 8,118,502,768.72-12,178,006,095.54-3,863,261,767.60

Finding the Fourth Proportional to 8,118,502,768.72, 12,178,006,095.54 and 3,863,261,767.60

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Solution

The fourth proportional to 8,118,502,768.72, 12,178,006,095.54 and 3,863,261,767.60 is: 5,795,012,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,502,768.72 : 12,178,006,095.54 = 3,863,261,767.60 : x
  2. Step 2: Convert to fraction form
    8,118,502,768.72/12,178,006,095.54 = 3,863,261,767.60/x
  3. Step 3: Cross multiply
    8,118,502,768.72x = 12,178,006,095.54 × 3,863,261,767.60
  4. Step 4: Simplify right side
    8,118,502,768.72x = 47,046,825,354,499,440,640
  5. Step 5: Solve for x
    x = 47,046,825,354,499,440,640/8,118,502,768.72
  6. Step 6: Final answer
    x = 5,795,012,540.46

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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.