Home / 21,210,263,960.73-29,271,470,752.23-11,694,786,283.68

Finding the Fourth Proportional to 21,210,263,960.73, 29,271,470,752.23 and 11,694,786,283.68

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Solution

The fourth proportional to 21,210,263,960.73, 29,271,470,752.23 and 11,694,786,283.68 is: 16,139,525,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,263,960.73 : 29,271,470,752.23 = 11,694,786,283.68 : x
  2. Step 2: Convert to fraction form
    21,210,263,960.73/29,271,470,752.23 = 11,694,786,283.68/x
  3. Step 3: Cross multiply
    21,210,263,960.73x = 29,271,470,752.23 × 11,694,786,283.68
  4. Step 4: Simplify right side
    21,210,263,960.73x = 342,323,594,656,167,559,168
  5. Step 5: Solve for x
    x = 342,323,594,656,167,559,168/21,210,263,960.73
  6. Step 6: Final answer
    x = 16,139,525,434.01

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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.