Home / 1,890,288,097.20-2,835,432,145.80-510,100,390.80

Finding the Fourth Proportional to 1,890,288,097.20, 2,835,432,145.80 and 510,100,390.80

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Solution

The fourth proportional to 1,890,288,097.20, 2,835,432,145.80 and 510,100,390.80 is: 765,150,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,288,097.20 : 2,835,432,145.80 = 510,100,390.80 : x
  2. Step 2: Convert to fraction form
    1,890,288,097.20/2,835,432,145.80 = 510,100,390.80/x
  3. Step 3: Cross multiply
    1,890,288,097.20x = 2,835,432,145.80 × 510,100,390.80
  4. Step 4: Simplify right side
    1,890,288,097.20x = 1,446,355,045,659,462,656
  5. Step 5: Solve for x
    x = 1,446,355,045,659,462,656/1,890,288,097.20
  6. Step 6: Final answer
    x = 765,150,586.20

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Double scale
Find fourth proportional to 1,890,288,098.20, 2,835,432,147.30 and 510,100,391.80
Similar ratio
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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.