Home / 3,928,880,811.59-5,894,250,183.01-1,272,932,596.90

Finding the Fourth Proportional to 3,928,880,811.59, 5,894,250,183.01 and 1,272,932,596.90

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Solution

The fourth proportional to 3,928,880,811.59, 5,894,250,183.01 and 1,272,932,596.90 is: 1,909,699,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,880,811.59 : 5,894,250,183.01 = 1,272,932,596.90 : x
  2. Step 2: Convert to fraction form
    3,928,880,811.59/5,894,250,183.01 = 1,272,932,596.90/x
  3. Step 3: Cross multiply
    3,928,880,811.59x = 5,894,250,183.01 × 1,272,932,596.90
  4. Step 4: Simplify right side
    3,928,880,811.59x = 7,502,983,192,238,610,432
  5. Step 5: Solve for x
    x = 7,502,983,192,238,610,432/3,928,880,811.59
  6. Step 6: Final answer
    x = 1,909,699,874.35

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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.