Home / 774,480,355.80-1,068,751,792.74-422,048,835

Finding the Fourth Proportional to 774,480,355.80, 1,068,751,792.74 and 422,048,835

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Solution

The fourth proportional to 774,480,355.80, 1,068,751,792.74 and 422,048,835 is: 582,410,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,480,355.80 : 1,068,751,792.74 = 422,048,835 : x
  2. Step 2: Convert to fraction form
    774,480,355.80/1,068,751,792.74 = 422,048,835/x
  3. Step 3: Cross multiply
    774,480,355.80x = 1,068,751,792.74 × 422,048,835
  4. Step 4: Simplify right side
    774,480,355.80x = 451,065,449,030,078,464
  5. Step 5: Solve for x
    x = 451,065,449,030,078,464/774,480,355.80
  6. Step 6: Final answer
    x = 582,410,445.47

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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.