Home / 1,048,142,718.05-1,572,214,077.08-321,036,951.65

Finding the Fourth Proportional to 1,048,142,718.05, 1,572,214,077.08 and 321,036,951.65

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Solution

The fourth proportional to 1,048,142,718.05, 1,572,214,077.08 and 321,036,951.65 is: 481,555,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,718.05 : 1,572,214,077.08 = 321,036,951.65 : x
  2. Step 2: Convert to fraction form
    1,048,142,718.05/1,572,214,077.08 = 321,036,951.65/x
  3. Step 3: Cross multiply
    1,048,142,718.05x = 1,572,214,077.08 × 321,036,951.65
  4. Step 4: Simplify right side
    1,048,142,718.05x = 504,738,814,645,376,128
  5. Step 5: Solve for x
    x = 504,738,814,645,376,128/1,048,142,718.05
  6. Step 6: Final answer
    x = 481,555,427.48

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Double scale
Find fourth proportional to 1,048,142,719.05, 1,572,214,078.58 and 321,036,952.65
Similar ratio
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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.