Home / 1,991,099,230.80-2,986,648,846.20-1,793,828,331.60

Finding the Fourth Proportional to 1,991,099,230.80, 2,986,648,846.20 and 1,793,828,331.60

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Solution

The fourth proportional to 1,991,099,230.80, 2,986,648,846.20 and 1,793,828,331.60 is: 2,690,742,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,099,230.80 : 2,986,648,846.20 = 1,793,828,331.60 : x
  2. Step 2: Convert to fraction form
    1,991,099,230.80/2,986,648,846.20 = 1,793,828,331.60/x
  3. Step 3: Cross multiply
    1,991,099,230.80x = 2,986,648,846.20 × 1,793,828,331.60
  4. Step 4: Simplify right side
    1,991,099,230.80x = 5,357,535,316,854,010,880
  5. Step 5: Solve for x
    x = 5,357,535,316,854,010,880/1,991,099,230.80
  6. Step 6: Final answer
    x = 2,690,742,497.40

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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.