Home / 3,139,362,011.20-4,709,043,016.80-2,209,552,837.60

Finding the Fourth Proportional to 3,139,362,011.20, 4,709,043,016.80 and 2,209,552,837.60

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Solution

The fourth proportional to 3,139,362,011.20, 4,709,043,016.80 and 2,209,552,837.60 is: 3,314,329,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,362,011.20 : 4,709,043,016.80 = 2,209,552,837.60 : x
  2. Step 2: Convert to fraction form
    3,139,362,011.20/4,709,043,016.80 = 2,209,552,837.60/x
  3. Step 3: Cross multiply
    3,139,362,011.20x = 4,709,043,016.80 × 2,209,552,837.60
  4. Step 4: Simplify right side
    3,139,362,011.20x = 10,404,879,360,150,904,832
  5. Step 5: Solve for x
    x = 10,404,879,360,150,904,832/3,139,362,011.20
  6. Step 6: Final answer
    x = 3,314,329,256.40

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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.