Home / 9,028,805,791.42-12,459,905,969.79-4,959,879,023.62

Finding the Fourth Proportional to 9,028,805,791.42, 12,459,905,969.79 and 4,959,879,023.62

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Solution

The fourth proportional to 9,028,805,791.42, 12,459,905,969.79 and 4,959,879,023.62 is: 6,844,717,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028,805,791.42 : 12,459,905,969.79 = 4,959,879,023.62 : x
  2. Step 2: Convert to fraction form
    9,028,805,791.42/12,459,905,969.79 = 4,959,879,023.62/x
  3. Step 3: Cross multiply
    9,028,805,791.42x = 12,459,905,969.79 × 4,959,879,023.62
  4. Step 4: Simplify right side
    9,028,805,791.42x = 61,799,626,255,839,035,392
  5. Step 5: Solve for x
    x = 61,799,626,255,839,035,392/9,028,805,791.42
  6. Step 6: Final answer
    x = 6,844,717,638.58

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Double scale
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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.