Home / 653,040,863.63-901,196,402.74-359,685,431.63

Finding the Fourth Proportional to 653,040,863.63, 901,196,402.74 and 359,685,431.63

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Solution

The fourth proportional to 653,040,863.63, 901,196,402.74 and 359,685,431.63 is: 496,365,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,040,863.63 : 901,196,402.74 = 359,685,431.63 : x
  2. Step 2: Convert to fraction form
    653,040,863.63/901,196,402.74 = 359,685,431.63/x
  3. Step 3: Cross multiply
    653,040,863.63x = 901,196,402.74 × 359,685,431.63
  4. Step 4: Simplify right side
    653,040,863.63x = 324,147,217,097,534,976
  5. Step 5: Solve for x
    x = 324,147,217,097,534,976/653,040,863.63
  6. Step 6: Final answer
    x = 496,365,901.67

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Double scale
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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.