Home / 958,786,556.05-1,322,748,984.41-556,831,880.24

Finding the Fourth Proportional to 958,786,556.05, 1,322,748,984.41 and 556,831,880.24

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Solution

The fourth proportional to 958,786,556.05, 1,322,748,984.41 and 556,831,880.24 is: 768,209,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,786,556.05 : 1,322,748,984.41 = 556,831,880.24 : x
  2. Step 2: Convert to fraction form
    958,786,556.05/1,322,748,984.41 = 556,831,880.24/x
  3. Step 3: Cross multiply
    958,786,556.05x = 1,322,748,984.41 × 556,831,880.24
  4. Step 4: Simplify right side
    958,786,556.05x = 736,548,804,074,570,752
  5. Step 5: Solve for x
    x = 736,548,804,074,570,752/958,786,556.05
  6. Step 6: Final answer
    x = 768,209,357.37

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Double scale
Find fourth proportional to 958,786,557.05, 1,322,748,985.79 and 556,831,881.24
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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.