Home / 1,758,446,626.80-2,638,980,455.40-670,055,458.80

Finding the Fourth Proportional to 1,758,446,626.80, 2,638,980,455.40 and 670,055,458.80

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Solution

The fourth proportional to 1,758,446,626.80, 2,638,980,455.40 and 670,055,458.80 is: 1,005,582,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,446,626.80 : 2,638,980,455.40 = 670,055,458.80 : x
  2. Step 2: Convert to fraction form
    1,758,446,626.80/2,638,980,455.40 = 670,055,458.80/x
  3. Step 3: Cross multiply
    1,758,446,626.80x = 2,638,980,455.40 × 670,055,458.80
  4. Step 4: Simplify right side
    1,758,446,626.80x = 1,768,263,259,807,279,872
  5. Step 5: Solve for x
    x = 1,768,263,259,807,279,872/1,758,446,626.80
  6. Step 6: Final answer
    x = 1,005,582,559.55

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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.