Home / 660,997,836.66-991,460,873.91-200,900,133.71

Finding the Fourth Proportional to 660,997,836.66, 991,460,873.91 and 200,900,133.71

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Solution

The fourth proportional to 660,997,836.66, 991,460,873.91 and 200,900,133.71 is: 301,339,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,997,836.66 : 991,460,873.91 = 200,900,133.71 : x
  2. Step 2: Convert to fraction form
    660,997,836.66/991,460,873.91 = 200,900,133.71/x
  3. Step 3: Cross multiply
    660,997,836.66x = 991,460,873.91 × 200,900,133.71
  4. Step 4: Simplify right side
    660,997,836.66x = 199,184,622,131,795,168
  5. Step 5: Solve for x
    x = 199,184,622,131,795,168/660,997,836.66
  6. Step 6: Final answer
    x = 301,339,295.05

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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.