Home / 540,617,394.64-746,168,696.56-328,992,409.76

Finding the Fourth Proportional to 540,617,394.64, 746,168,696.56 and 328,992,409.76

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Solution

The fourth proportional to 540,617,394.64, 746,168,696.56 and 328,992,409.76 is: 454,080,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,617,394.64 : 746,168,696.56 = 328,992,409.76 : x
  2. Step 2: Convert to fraction form
    540,617,394.64/746,168,696.56 = 328,992,409.76/x
  3. Step 3: Cross multiply
    540,617,394.64x = 746,168,696.56 × 328,992,409.76
  4. Step 4: Simplify right side
    540,617,394.64x = 245,483,837,568,752,608
  5. Step 5: Solve for x
    x = 245,483,837,568,752,608/540,617,394.64
  6. Step 6: Final answer
    x = 454,080,538.29

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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.