Home / 3,079,780,362.40-4,619,103,673.20-1,913,161,079.20

Finding the Fourth Proportional to 3,079,780,362.40, 4,619,103,673.20 and 1,913,161,079.20

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Solution

The fourth proportional to 3,079,780,362.40, 4,619,103,673.20 and 1,913,161,079.20 is: 2,869,389,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,780,362.40 : 4,619,103,673.20 = 1,913,161,079.20 : x
  2. Step 2: Convert to fraction form
    3,079,780,362.40/4,619,103,673.20 = 1,913,161,079.20/x
  3. Step 3: Cross multiply
    3,079,780,362.40x = 4,619,103,673.20 × 1,913,161,079.20
  4. Step 4: Simplify right side
    3,079,780,362.40x = 8,837,089,368,355,995,648
  5. Step 5: Solve for x
    x = 8,837,089,368,355,995,648/3,079,780,362.40
  6. Step 6: Final answer
    x = 2,869,389,478.63

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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.