Home / 2,807,888,701.20-4,211,833,051.80-1,991,595,325.20

Finding the Fourth Proportional to 2,807,888,701.20, 4,211,833,051.80 and 1,991,595,325.20

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Solution

The fourth proportional to 2,807,888,701.20, 4,211,833,051.80 and 1,991,595,325.20 is: 2,987,392,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,888,701.20 : 4,211,833,051.80 = 1,991,595,325.20 : x
  2. Step 2: Convert to fraction form
    2,807,888,701.20/4,211,833,051.80 = 1,991,595,325.20/x
  3. Step 3: Cross multiply
    2,807,888,701.20x = 4,211,833,051.80 × 1,991,595,325.20
  4. Step 4: Simplify right side
    2,807,888,701.20x = 8,388,267,016,487,730,176
  5. Step 5: Solve for x
    x = 8,388,267,016,487,730,176/2,807,888,701.20
  6. Step 6: Final answer
    x = 2,987,392,987.80

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1.5x scale

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.