Home / 13,305,746,009.80-19,958,619,014.70-11,128,963,673.80

Finding the Fourth Proportional to 13,305,746,009.80, 19,958,619,014.70 and 11,128,963,673.80

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Solution

The fourth proportional to 13,305,746,009.80, 19,958,619,014.70 and 11,128,963,673.80 is: 16,693,445,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,746,009.80 : 19,958,619,014.70 = 11,128,963,673.80 : x
  2. Step 2: Convert to fraction form
    13,305,746,009.80/19,958,619,014.70 = 11,128,963,673.80/x
  3. Step 3: Cross multiply
    13,305,746,009.80x = 19,958,619,014.70 × 11,128,963,673.80
  4. Step 4: Simplify right side
    13,305,746,009.80x = 222,118,745,993,810,247,680
  5. Step 5: Solve for x
    x = 222,118,745,993,810,247,680/13,305,746,009.80
  6. Step 6: Final answer
    x = 16,693,445,510.70

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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.