Home / 19,818,940,215.16-27,350,718,278.78-10,787,283,299.84

Finding the Fourth Proportional to 19,818,940,215.16, 27,350,718,278.78 and 10,787,283,299.84

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Solution

The fourth proportional to 19,818,940,215.16, 27,350,718,278.78 and 10,787,283,299.84 is: 14,886,767,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818,940,215.16 : 27,350,718,278.78 = 10,787,283,299.84 : x
  2. Step 2: Convert to fraction form
    19,818,940,215.16/27,350,718,278.78 = 10,787,283,299.84/x
  3. Step 3: Cross multiply
    19,818,940,215.16x = 27,350,718,278.78 × 10,787,283,299.84
  4. Step 4: Simplify right side
    19,818,940,215.16x = 295,039,946,527,121,440,768
  5. Step 5: Solve for x
    x = 295,039,946,527,121,440,768/19,818,940,215.16
  6. Step 6: Final answer
    x = 14,886,767,068.48

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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.