Home / 13,305,746,004.30-19,958,619,006.45-11,128,963,668.30

Finding the Fourth Proportional to 13,305,746,004.30, 19,958,619,006.45 and 11,128,963,668.30

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Solution

The fourth proportional to 13,305,746,004.30, 19,958,619,006.45 and 11,128,963,668.30 is: 16,693,445,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,746,004.30 : 19,958,619,006.45 = 11,128,963,668.30 : x
  2. Step 2: Convert to fraction form
    13,305,746,004.30/19,958,619,006.45 = 11,128,963,668.30/x
  3. Step 3: Cross multiply
    13,305,746,004.30x = 19,958,619,006.45 × 11,128,963,668.30
  4. Step 4: Simplify right side
    13,305,746,004.30x = 222,118,745,792,223,870,976
  5. Step 5: Solve for x
    x = 222,118,745,792,223,870,976/13,305,746,004.30
  6. Step 6: Final answer
    x = 16,693,445,502.45

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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.