Home / 3,999,780,622.72-5,519,695,339.54-2,392,235,589.78

Finding the Fourth Proportional to 3,999,780,622.72, 5,519,695,339.54 and 2,392,235,589.78

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Solution

The fourth proportional to 3,999,780,622.72, 5,519,695,339.54 and 2,392,235,589.78 is: 3,301,283,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,780,622.72 : 5,519,695,339.54 = 2,392,235,589.78 : x
  2. Step 2: Convert to fraction form
    3,999,780,622.72/5,519,695,339.54 = 2,392,235,589.78/x
  3. Step 3: Cross multiply
    3,999,780,622.72x = 5,519,695,339.54 × 2,392,235,589.78
  4. Step 4: Simplify right side
    3,999,780,622.72x = 13,204,411,635,990,390,784
  5. Step 5: Solve for x
    x = 13,204,411,635,990,390,784/3,999,780,622.72
  6. Step 6: Final answer
    x = 3,301,283,965.67

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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.