Home / 3,931,491,151.50-5,898,064,958.88-1,275,339,831.09

Finding the Fourth Proportional to 3,931,491,151.50, 5,898,064,958.88 and 1,275,339,831.09

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Solution

The fourth proportional to 3,931,491,151.50, 5,898,064,958.88 and 1,275,339,831.09 is: 1,913,278,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,491,151.50 : 5,898,064,958.88 = 1,275,339,831.09 : x
  2. Step 2: Convert to fraction form
    3,931,491,151.50/5,898,064,958.88 = 1,275,339,831.09/x
  3. Step 3: Cross multiply
    3,931,491,151.50x = 5,898,064,958.88 × 1,275,339,831.09
  4. Step 4: Simplify right side
    3,931,491,151.50x = 7,522,037,168,415,866,880
  5. Step 5: Solve for x
    x = 7,522,037,168,415,866,880/3,931,491,151.50
  6. Step 6: Final answer
    x = 1,913,278,417.41

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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.