Home / 958,546,182.78-1,322,692,961.70-556,581,357.68

Finding the Fourth Proportional to 958,546,182.78, 1,322,692,961.70 and 556,581,357.68

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Solution

The fourth proportional to 958,546,182.78, 1,322,692,961.70 and 556,581,357.68 is: 768,023,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,546,182.78 : 1,322,692,961.70 = 556,581,357.68 : x
  2. Step 2: Convert to fraction form
    958,546,182.78/1,322,692,961.70 = 556,581,357.68/x
  3. Step 3: Cross multiply
    958,546,182.78x = 1,322,692,961.70 × 556,581,357.68
  4. Step 4: Simplify right side
    958,546,182.78x = 736,186,244,412,212,096
  5. Step 5: Solve for x
    x = 736,186,244,412,212,096/958,546,182.78
  6. Step 6: Final answer
    x = 768,023,761.02

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Double scale
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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.