Home / 353,357,556.27-530,278,447.55-123,326,640.87

Finding the Fourth Proportional to 353,357,556.27, 530,278,447.55 and 123,326,640.87

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Solution

The fourth proportional to 353,357,556.27, 530,278,447.55 and 123,326,640.87 is: 185,074,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,357,556.27 : 530,278,447.55 = 123,326,640.87 : x
  2. Step 2: Convert to fraction form
    353,357,556.27/530,278,447.55 = 123,326,640.87/x
  3. Step 3: Cross multiply
    353,357,556.27x = 530,278,447.55 × 123,326,640.87
  4. Step 4: Simplify right side
    353,357,556.27x = 65,397,459,661,483,352
  5. Step 5: Solve for x
    x = 65,397,459,661,483,352/353,357,556.27
  6. Step 6: Final answer
    x = 185,074,462.12

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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.