Home / 2,479,270,034.12-3,421,282,257.78-1,421,239,480.52

Finding the Fourth Proportional to 2,479,270,034.12, 3,421,282,257.78 and 1,421,239,480.52

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Solution

The fourth proportional to 2,479,270,034.12, 3,421,282,257.78 and 1,421,239,480.52 is: 1,961,247,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,270,034.12 : 3,421,282,257.78 = 1,421,239,480.52 : x
  2. Step 2: Convert to fraction form
    2,479,270,034.12/3,421,282,257.78 = 1,421,239,480.52/x
  3. Step 3: Cross multiply
    2,479,270,034.12x = 3,421,282,257.78 × 1,421,239,480.52
  4. Step 4: Simplify right side
    2,479,270,034.12x = 4,862,461,418,759,539,712
  5. Step 5: Solve for x
    x = 4,862,461,418,759,539,712/2,479,270,034.12
  6. Step 6: Final answer
    x = 1,961,247,202.54

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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.