Home / 1,214,498,707.52-1,821,860,052.96-396,615,295.04

Finding the Fourth Proportional to 1,214,498,707.52, 1,821,860,052.96 and 396,615,295.04

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Solution

The fourth proportional to 1,214,498,707.52, 1,821,860,052.96 and 396,615,295.04 is: 594,959,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,498,707.52 : 1,821,860,052.96 = 396,615,295.04 : x
  2. Step 2: Convert to fraction form
    1,214,498,707.52/1,821,860,052.96 = 396,615,295.04/x
  3. Step 3: Cross multiply
    1,214,498,707.52x = 1,821,860,052.96 × 396,615,295.04
  4. Step 4: Simplify right side
    1,214,498,707.52x = 722,577,562,426,320,512
  5. Step 5: Solve for x
    x = 722,577,562,426,320,512/1,214,498,707.52
  6. Step 6: Final answer
    x = 594,959,515.36

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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.