Home / 18,661,042,534.08-28,011,483,401.47-8,042,507,134.54

Finding the Fourth Proportional to 18,661,042,534.08, 28,011,483,401.47 and 8,042,507,134.54

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Solution

The fourth proportional to 18,661,042,534.08, 28,011,483,401.47 and 8,042,507,134.54 is: 12,072,345,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,042,534.08 : 28,011,483,401.47 = 8,042,507,134.54 : x
  2. Step 2: Convert to fraction form
    18,661,042,534.08/28,011,483,401.47 = 8,042,507,134.54/x
  3. Step 3: Cross multiply
    18,661,042,534.08x = 28,011,483,401.47 × 8,042,507,134.54
  4. Step 4: Simplify right side
    18,661,042,534.08x = 225,282,555,105,371,258,880
  5. Step 5: Solve for x
    x = 225,282,555,105,371,258,880/18,661,042,534.08
  6. Step 6: Final answer
    x = 12,072,345,620.24

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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.