Home / 2,149,129,148.40-3,218,318,951.40-1,719,147,452.40

Finding the Fourth Proportional to 2,149,129,148.40, 3,218,318,951.40 and 1,719,147,452.40

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Solution

The fourth proportional to 2,149,129,148.40, 3,218,318,951.40 and 1,719,147,452.40 is: 2,574,421,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,129,148.40 : 3,218,318,951.40 = 1,719,147,452.40 : x
  2. Step 2: Convert to fraction form
    2,149,129,148.40/3,218,318,951.40 = 1,719,147,452.40/x
  3. Step 3: Cross multiply
    2,149,129,148.40x = 3,218,318,951.40 × 1,719,147,452.40
  4. Step 4: Simplify right side
    2,149,129,148.40x = 5,532,764,826,309,949,440
  5. Step 5: Solve for x
    x = 5,532,764,826,309,949,440/2,149,129,148.40
  6. Step 6: Final answer
    x = 2,574,421,751.45

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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.