Home / 18,704,874,928.06-25,812,521,903.54-10,131,088,264.39

Finding the Fourth Proportional to 18,704,874,928.06, 25,812,521,903.54 and 10,131,088,264.39

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Solution

The fourth proportional to 18,704,874,928.06, 25,812,521,903.54 and 10,131,088,264.39 is: 13,980,790,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,874,928.06 : 25,812,521,903.54 = 10,131,088,264.39 : x
  2. Step 2: Convert to fraction form
    18,704,874,928.06/25,812,521,903.54 = 10,131,088,264.39/x
  3. Step 3: Cross multiply
    18,704,874,928.06x = 25,812,521,903.54 × 10,131,088,264.39
  4. Step 4: Simplify right side
    18,704,874,928.06x = 261,508,937,731,263,922,176
  5. Step 5: Solve for x
    x = 261,508,937,731,263,922,176/18,704,874,928.06
  6. Step 6: Final answer
    x = 13,980,790,501.78

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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.