Home / 2,147,048,495.66-3,219,775,319.46-747,673,407.20

Finding the Fourth Proportional to 2,147,048,495.66, 3,219,775,319.46 and 747,673,407.20

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Solution

The fourth proportional to 2,147,048,495.66, 3,219,775,319.46 and 747,673,407.20 is: 1,121,232,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,048,495.66 : 3,219,775,319.46 = 747,673,407.20 : x
  2. Step 2: Convert to fraction form
    2,147,048,495.66/3,219,775,319.46 = 747,673,407.20/x
  3. Step 3: Cross multiply
    2,147,048,495.66x = 3,219,775,319.46 × 747,673,407.20
  4. Step 4: Simplify right side
    2,147,048,495.66x = 2,407,340,383,519,127,040
  5. Step 5: Solve for x
    x = 2,407,340,383,519,127,040/2,147,048,495.66
  6. Step 6: Final answer
    x = 1,121,232,421.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.