Home / 656,373,709.23-984,560,477.71-268,196,138.20

Finding the Fourth Proportional to 656,373,709.23, 984,560,477.71 and 268,196,138.20

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Solution

The fourth proportional to 656,373,709.23, 984,560,477.71 and 268,196,138.20 is: 402,294,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,373,709.23 : 984,560,477.71 = 268,196,138.20 : x
  2. Step 2: Convert to fraction form
    656,373,709.23/984,560,477.71 = 268,196,138.20/x
  3. Step 3: Cross multiply
    656,373,709.23x = 984,560,477.71 × 268,196,138.20
  4. Step 4: Simplify right side
    656,373,709.23x = 264,055,317,946,169,184
  5. Step 5: Solve for x
    x = 264,055,317,946,169,184/656,373,709.23
  6. Step 6: Final answer
    x = 402,294,172.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.