Home / 1,939,602,364.20-2,909,403,546.30-1,789,948,578.60

Finding the Fourth Proportional to 1,939,602,364.20, 2,909,403,546.30 and 1,789,948,578.60

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Solution

The fourth proportional to 1,939,602,364.20, 2,909,403,546.30 and 1,789,948,578.60 is: 2,684,922,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,602,364.20 : 2,909,403,546.30 = 1,789,948,578.60 : x
  2. Step 2: Convert to fraction form
    1,939,602,364.20/2,909,403,546.30 = 1,789,948,578.60/x
  3. Step 3: Cross multiply
    1,939,602,364.20x = 2,909,403,546.30 × 1,789,948,578.60
  4. Step 4: Simplify right side
    1,939,602,364.20x = 5,207,682,742,273,484,800
  5. Step 5: Solve for x
    x = 5,207,682,742,273,484,800/1,939,602,364.20
  6. Step 6: Final answer
    x = 2,684,922,867.90

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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.