Home / 18,860,048,584.93-28,290,072,905.05-7,665,299,942.68

Finding the Fourth Proportional to 18,860,048,584.93, 28,290,072,905.05 and 7,665,299,942.68

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Solution

The fourth proportional to 18,860,048,584.93, 28,290,072,905.05 and 7,665,299,942.68 is: 11,497,949,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860,048,584.93 : 28,290,072,905.05 = 7,665,299,942.68 : x
  2. Step 2: Convert to fraction form
    18,860,048,584.93/28,290,072,905.05 = 7,665,299,942.68/x
  3. Step 3: Cross multiply
    18,860,048,584.93x = 28,290,072,905.05 × 7,665,299,942.68
  4. Step 4: Simplify right side
    18,860,048,584.93x = 216,851,894,217,492,791,296
  5. Step 5: Solve for x
    x = 216,851,894,217,492,791,296/18,860,048,584.93
  6. Step 6: Final answer
    x = 11,497,949,925.26

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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.