Home / 958,263,369.93-1,322,407,434.38-518,230,221.93

Finding the Fourth Proportional to 958,263,369.93, 1,322,407,434.38 and 518,230,221.93

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Solution

The fourth proportional to 958,263,369.93, 1,322,407,434.38 and 518,230,221.93 is: 715,159,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,263,369.93 : 1,322,407,434.38 = 518,230,221.93 : x
  2. Step 2: Convert to fraction form
    958,263,369.93/1,322,407,434.38 = 518,230,221.93/x
  3. Step 3: Cross multiply
    958,263,369.93x = 1,322,407,434.38 × 518,230,221.93
  4. Step 4: Simplify right side
    958,263,369.93x = 685,311,498,198,038,144
  5. Step 5: Solve for x
    x = 685,311,498,198,038,144/958,263,369.93
  6. Step 6: Final answer
    x = 715,159,860.75

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Double scale
Find fourth proportional to 958,263,370.93, 1,322,407,435.76 and 518,230,222.93
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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.