Home / 21,599,301,628.56-29,806,816,643.28-11,954,050,418.19

Finding the Fourth Proportional to 21,599,301,628.56, 29,806,816,643.28 and 11,954,050,418.19

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Solution

The fourth proportional to 21,599,301,628.56, 29,806,816,643.28 and 11,954,050,418.19 is: 16,496,468,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599,301,628.56 : 29,806,816,643.28 = 11,954,050,418.19 : x
  2. Step 2: Convert to fraction form
    21,599,301,628.56/29,806,816,643.28 = 11,954,050,418.19/x
  3. Step 3: Cross multiply
    21,599,301,628.56x = 29,806,816,643.28 × 11,954,050,418.19
  4. Step 4: Simplify right side
    21,599,301,628.56x = 356,312,188,959,513,968,640
  5. Step 5: Solve for x
    x = 356,312,188,959,513,968,640/21,599,301,628.56
  6. Step 6: Final answer
    x = 16,496,468,038.04

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Double scale
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1.5x scale

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.