Home / 2,166,926,082.55-2,990,542,421.69-1,227,295,879.27

Finding the Fourth Proportional to 2,166,926,082.55, 2,990,542,421.69 and 1,227,295,879.27

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Solution

The fourth proportional to 2,166,926,082.55, 2,990,542,421.69 and 1,227,295,879.27 is: 1,693,772,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,926,082.55 : 2,990,542,421.69 = 1,227,295,879.27 : x
  2. Step 2: Convert to fraction form
    2,166,926,082.55/2,990,542,421.69 = 1,227,295,879.27/x
  3. Step 3: Cross multiply
    2,166,926,082.55x = 2,990,542,421.69 × 1,227,295,879.27
  4. Step 4: Simplify right side
    2,166,926,082.55x = 3,670,280,390,922,263,552
  5. Step 5: Solve for x
    x = 3,670,280,390,922,263,552/2,166,926,082.55
  6. Step 6: Final answer
    x = 1,693,772,768.94

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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.