Home / 958,786,559.26-1,322,748,988.83-556,831,883.44

Finding the Fourth Proportional to 958,786,559.26, 1,322,748,988.83 and 556,831,883.44

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Solution

The fourth proportional to 958,786,559.26, 1,322,748,988.83 and 556,831,883.44 is: 768,209,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,786,559.26 : 1,322,748,988.83 = 556,831,883.44 : x
  2. Step 2: Convert to fraction form
    958,786,559.26/1,322,748,988.83 = 556,831,883.44/x
  3. Step 3: Cross multiply
    958,786,559.26x = 1,322,748,988.83 × 556,831,883.44
  4. Step 4: Simplify right side
    958,786,559.26x = 736,548,810,768,564,480
  5. Step 5: Solve for x
    x = 736,548,810,768,564,480/958,786,559.26
  6. Step 6: Final answer
    x = 768,209,361.78

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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.