Home / 929,151,326.54-1,282,255,261.83-505,792,289.84

Finding the Fourth Proportional to 929,151,326.54, 1,282,255,261.83 and 505,792,289.84

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Solution

The fourth proportional to 929,151,326.54, 1,282,255,261.83 and 505,792,289.84 is: 698,007,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,151,326.54 : 1,282,255,261.83 = 505,792,289.84 : x
  2. Step 2: Convert to fraction form
    929,151,326.54/1,282,255,261.83 = 505,792,289.84/x
  3. Step 3: Cross multiply
    929,151,326.54x = 1,282,255,261.83 × 505,792,289.84
  4. Step 4: Simplify right side
    929,151,326.54x = 648,554,825,033,973,120
  5. Step 5: Solve for x
    x = 648,554,825,033,973,120/929,151,326.54
  6. Step 6: Final answer
    x = 698,007,748.05

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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.