Home / 289,264,723.76-398,954,447.22-190,247,150.42

Finding the Fourth Proportional to 289,264,723.76, 398,954,447.22 and 190,247,150.42

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Solution

The fourth proportional to 289,264,723.76, 398,954,447.22 and 190,247,150.42 is: 262,389,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,264,723.76 : 398,954,447.22 = 190,247,150.42 : x
  2. Step 2: Convert to fraction form
    289,264,723.76/398,954,447.22 = 190,247,150.42/x
  3. Step 3: Cross multiply
    289,264,723.76x = 398,954,447.22 × 190,247,150.42
  4. Step 4: Simplify right side
    289,264,723.76x = 75,899,946,730,991,296
  5. Step 5: Solve for x
    x = 75,899,946,730,991,296/289,264,723.76
  6. Step 6: Final answer
    x = 262,389,225.15

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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.