Home / 2,911,861,350.40-4,367,792,025.60-1,932,309,299.20

Finding the Fourth Proportional to 2,911,861,350.40, 4,367,792,025.60 and 1,932,309,299.20

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Solution

The fourth proportional to 2,911,861,350.40, 4,367,792,025.60 and 1,932,309,299.20 is: 2,898,463,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,861,350.40 : 4,367,792,025.60 = 1,932,309,299.20 : x
  2. Step 2: Convert to fraction form
    2,911,861,350.40/4,367,792,025.60 = 1,932,309,299.20/x
  3. Step 3: Cross multiply
    2,911,861,350.40x = 4,367,792,025.60 × 1,932,309,299.20
  4. Step 4: Simplify right side
    2,911,861,350.40x = 8,439,925,148,038,484,992
  5. Step 5: Solve for x
    x = 8,439,925,148,038,484,992/2,911,861,350.40
  6. Step 6: Final answer
    x = 2,898,463,948.80

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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.