Home / 3,078,094,666.85-4,247,776,899.49-1,668,399,584.66

Finding the Fourth Proportional to 3,078,094,666.85, 4,247,776,899.49 and 1,668,399,584.66

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Solution

The fourth proportional to 3,078,094,666.85, 4,247,776,899.49 and 1,668,399,584.66 is: 2,302,394,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,094,666.85 : 4,247,776,899.49 = 1,668,399,584.66 : x
  2. Step 2: Convert to fraction form
    3,078,094,666.85/4,247,776,899.49 = 1,668,399,584.66/x
  3. Step 3: Cross multiply
    3,078,094,666.85x = 4,247,776,899.49 × 1,668,399,584.66
  4. Step 4: Simplify right side
    3,078,094,666.85x = 7,086,989,214,837,458,944
  5. Step 5: Solve for x
    x = 7,086,989,214,837,458,944/3,078,094,666.85
  6. Step 6: Final answer
    x = 2,302,394,819.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.