Home / 1,174,567,608.86-1,620,945,918-672,873,354.52

Finding the Fourth Proportional to 1,174,567,608.86, 1,620,945,918 and 672,873,354.52

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Solution

The fourth proportional to 1,174,567,608.86, 1,620,945,918 and 672,873,354.52 is: 928,589,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,567,608.86 : 1,620,945,918 = 672,873,354.52 : x
  2. Step 2: Convert to fraction form
    1,174,567,608.86/1,620,945,918 = 672,873,354.52/x
  3. Step 3: Cross multiply
    1,174,567,608.86x = 1,620,945,918 × 672,873,354.52
  4. Step 4: Simplify right side
    1,174,567,608.86x = 1,090,691,317,340,160,768
  5. Step 5: Solve for x
    x = 1,090,691,317,340,160,768/1,174,567,608.86
  6. Step 6: Final answer
    x = 928,589,643.64

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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.