Home / 13,305,746,190.30-19,958,619,285.45-11,128,963,854.30

Finding the Fourth Proportional to 13,305,746,190.30, 19,958,619,285.45 and 11,128,963,854.30

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Solution

The fourth proportional to 13,305,746,190.30, 19,958,619,285.45 and 11,128,963,854.30 is: 16,693,445,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,746,190.30 : 19,958,619,285.45 = 11,128,963,854.30 : x
  2. Step 2: Convert to fraction form
    13,305,746,190.30/19,958,619,285.45 = 11,128,963,854.30/x
  3. Step 3: Cross multiply
    13,305,746,190.30x = 19,958,619,285.45 × 11,128,963,854.30
  4. Step 4: Simplify right side
    13,305,746,190.30x = 222,118,752,609,507,934,208
  5. Step 5: Solve for x
    x = 222,118,752,609,507,934,208/13,305,746,190.30
  6. Step 6: Final answer
    x = 16,693,445,781.45

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Double scale
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1.5x scale

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.