Home / 1,212,875,632.22-1,673,768,371.25-655,958,678.67

Finding the Fourth Proportional to 1,212,875,632.22, 1,673,768,371.25 and 655,958,678.67

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Solution

The fourth proportional to 1,212,875,632.22, 1,673,768,371.25 and 655,958,678.67 is: 905,222,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,875,632.22 : 1,673,768,371.25 = 655,958,678.67 : x
  2. Step 2: Convert to fraction form
    1,212,875,632.22/1,673,768,371.25 = 655,958,678.67/x
  3. Step 3: Cross multiply
    1,212,875,632.22x = 1,673,768,371.25 × 655,958,678.67
  4. Step 4: Simplify right side
    1,212,875,632.22x = 1,097,922,889,201,508,096
  5. Step 5: Solve for x
    x = 1,097,922,889,201,508,096/1,212,875,632.22
  6. Step 6: Final answer
    x = 905,222,975.91

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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.