Home / 340,161,799.59-469,172,639.41-256,533,450.43

Finding the Fourth Proportional to 340,161,799.59, 469,172,639.41 and 256,533,450.43

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Solution

The fourth proportional to 340,161,799.59, 469,172,639.41 and 256,533,450.43 is: 353,827,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,161,799.59 : 469,172,639.41 = 256,533,450.43 : x
  2. Step 2: Convert to fraction form
    340,161,799.59/469,172,639.41 = 256,533,450.43/x
  3. Step 3: Cross multiply
    340,161,799.59x = 469,172,639.41 × 256,533,450.43
  4. Step 4: Simplify right side
    340,161,799.59x = 120,358,476,035,197,504
  5. Step 5: Solve for x
    x = 120,358,476,035,197,504/340,161,799.59
  6. Step 6: Final answer
    x = 353,827,138.09

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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.