Home / 289,928,954,224.04-400,114,357,512.24-161,470,382,242.67

Finding the Fourth Proportional to 289,928,954,224.04, 400,114,357,512.24 and 161,470,382,242.67

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Solution

The fourth proportional to 289,928,954,224.04, 400,114,357,512.24 and 161,470,382,242.67 is: 222,836,033,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,928,954,224.04 : 400,114,357,512.24 = 161,470,382,242.67 : x
  2. Step 2: Convert to fraction form
    289,928,954,224.04/400,114,357,512.24 = 161,470,382,242.67/x
  3. Step 3: Cross multiply
    289,928,954,224.04x = 400,114,357,512.24 × 161,470,382,242.67
  4. Step 4: Simplify right side
    289,928,954,224.04x = 64,606,618,248,281,717,735,424
  5. Step 5: Solve for x
    x = 64,606,618,248,281,717,735,424/289,928,954,224.04
  6. Step 6: Final answer
    x = 222,836,033,817.99

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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.