Home / 692,613,142.38-955,821,601.44-395,249,464.26

Finding the Fourth Proportional to 692,613,142.38, 955,821,601.44 and 395,249,464.26

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Solution

The fourth proportional to 692,613,142.38, 955,821,601.44 and 395,249,464.26 is: 545,453,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,613,142.38 : 955,821,601.44 = 395,249,464.26 : x
  2. Step 2: Convert to fraction form
    692,613,142.38/955,821,601.44 = 395,249,464.26/x
  3. Step 3: Cross multiply
    692,613,142.38x = 955,821,601.44 × 395,249,464.26
  4. Step 4: Simplify right side
    692,613,142.38x = 377,787,975,897,295,232
  5. Step 5: Solve for x
    x = 377,787,975,897,295,232/692,613,142.38
  6. Step 6: Final answer
    x = 545,453,085.97

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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.