Home / 2,201,739,016.70-3,038,400,339.01-1,211,664,433.70

Finding the Fourth Proportional to 2,201,739,016.70, 3,038,400,339.01 and 1,211,664,433.70

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Solution

The fourth proportional to 2,201,739,016.70, 3,038,400,339.01 and 1,211,664,433.70 is: 1,672,097,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,739,016.70 : 3,038,400,339.01 = 1,211,664,433.70 : x
  2. Step 2: Convert to fraction form
    2,201,739,016.70/3,038,400,339.01 = 1,211,664,433.70/x
  3. Step 3: Cross multiply
    2,201,739,016.70x = 3,038,400,339.01 × 1,211,664,433.70
  4. Step 4: Simplify right side
    2,201,739,016.70x = 3,681,521,626,120,440,320
  5. Step 5: Solve for x
    x = 3,681,521,626,120,440,320/2,201,739,016.70
  6. Step 6: Final answer
    x = 1,672,097,191.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.