Home / 329,039,598.29-453,809,880.59-289,262,078.81

Finding the Fourth Proportional to 329,039,598.29, 453,809,880.59 and 289,262,078.81

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Solution

The fourth proportional to 329,039,598.29, 453,809,880.59 and 289,262,078.81 is: 398,948,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,039,598.29 : 453,809,880.59 = 289,262,078.81 : x
  2. Step 2: Convert to fraction form
    329,039,598.29/453,809,880.59 = 289,262,078.81/x
  3. Step 3: Cross multiply
    329,039,598.29x = 453,809,880.59 × 289,262,078.81
  4. Step 4: Simplify right side
    329,039,598.29x = 131,269,989,440,265,904
  5. Step 5: Solve for x
    x = 131,269,989,440,265,904/329,039,598.29
  6. Step 6: Final answer
    x = 398,948,911.09

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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.