Home / 18,860,048,583.93-28,290,072,903.55-7,665,299,941.68

Finding the Fourth Proportional to 18,860,048,583.93, 28,290,072,903.55 and 7,665,299,941.68

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Solution

The fourth proportional to 18,860,048,583.93, 28,290,072,903.55 and 7,665,299,941.68 is: 11,497,949,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860,048,583.93 : 28,290,072,903.55 = 7,665,299,941.68 : x
  2. Step 2: Convert to fraction form
    18,860,048,583.93/28,290,072,903.55 = 7,665,299,941.68/x
  3. Step 3: Cross multiply
    18,860,048,583.93x = 28,290,072,903.55 × 7,665,299,941.68
  4. Step 4: Simplify right side
    18,860,048,583.93x = 216,851,894,177,689,436,160
  5. Step 5: Solve for x
    x = 216,851,894,177,689,436,160/18,860,048,583.93
  6. Step 6: Final answer
    x = 11,497,949,923.76

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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.