Home / 503,775,966,709.76-695,219,093,566.08-300,797,474,800.64

Finding the Fourth Proportional to 503,775,966,709.76, 695,219,093,566.08 and 300,797,474,800.64

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Solution

The fourth proportional to 503,775,966,709.76, 695,219,093,566.08 and 300,797,474,800.64 is: 415,105,446,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,775,966,709.76 : 695,219,093,566.08 = 300,797,474,800.64 : x
  2. Step 2: Convert to fraction form
    503,775,966,709.76/695,219,093,566.08 = 300,797,474,800.64/x
  3. Step 3: Cross multiply
    503,775,966,709.76x = 695,219,093,566.08 × 300,797,474,800.64
  4. Step 4: Simplify right side
    503,775,966,709.76x = 209,120,147,777,866,736,599,040
  5. Step 5: Solve for x
    x = 209,120,147,777,866,736,599,040/503,775,966,709.76
  6. Step 6: Final answer
    x = 415,105,446,858.97

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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.