Home / 18,661,042,533.08-28,011,483,399.97-8,042,507,133.54

Finding the Fourth Proportional to 18,661,042,533.08, 28,011,483,399.97 and 8,042,507,133.54

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Solution

The fourth proportional to 18,661,042,533.08, 28,011,483,399.97 and 8,042,507,133.54 is: 12,072,345,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,042,533.08 : 28,011,483,399.97 = 8,042,507,133.54 : x
  2. Step 2: Convert to fraction form
    18,661,042,533.08/28,011,483,399.97 = 8,042,507,133.54/x
  3. Step 3: Cross multiply
    18,661,042,533.08x = 28,011,483,399.97 × 8,042,507,133.54
  4. Step 4: Simplify right side
    18,661,042,533.08x = 225,282,555,065,255,821,312
  5. Step 5: Solve for x
    x = 225,282,555,065,255,821,312/18,661,042,533.08
  6. Step 6: Final answer
    x = 12,072,345,618.74

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1.5x scale

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.