Home / 1,241,177,690.57-1,861,206,271.61-355,660,507.67

Finding the Fourth Proportional to 1,241,177,690.57, 1,861,206,271.61 and 355,660,507.67

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Solution

The fourth proportional to 1,241,177,690.57, 1,861,206,271.61 and 355,660,507.67 is: 533,330,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,177,690.57 : 1,861,206,271.61 = 355,660,507.67 : x
  2. Step 2: Convert to fraction form
    1,241,177,690.57/1,861,206,271.61 = 355,660,507.67/x
  3. Step 3: Cross multiply
    1,241,177,690.57x = 1,861,206,271.61 × 355,660,507.67
  4. Step 4: Simplify right side
    1,241,177,690.57x = 661,957,567,428,316,160
  5. Step 5: Solve for x
    x = 661,957,567,428,316,160/1,241,177,690.57
  6. Step 6: Final answer
    x = 533,330,217.31

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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.