Home / 958,263,677.60-1,322,407,860.72-518,230,529.60

Finding the Fourth Proportional to 958,263,677.60, 1,322,407,860.72 and 518,230,529.60

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Solution

The fourth proportional to 958,263,677.60, 1,322,407,860.72 and 518,230,529.60 is: 715,160,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,263,677.60 : 1,322,407,860.72 = 518,230,529.60 : x
  2. Step 2: Convert to fraction form
    958,263,677.60/1,322,407,860.72 = 518,230,529.60/x
  3. Step 3: Cross multiply
    958,263,677.60x = 1,322,407,860.72 × 518,230,529.60
  4. Step 4: Simplify right side
    958,263,677.60x = 685,312,126,008,128,640
  5. Step 5: Solve for x
    x = 685,312,126,008,128,640/958,263,677.60
  6. Step 6: Final answer
    x = 715,160,286.28

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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.