Home / 403,498,629.85-556,810,904.91-224,873,013.28

Finding the Fourth Proportional to 403,498,629.85, 556,810,904.91 and 224,873,013.28

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Solution

The fourth proportional to 403,498,629.85, 556,810,904.91 and 224,873,013.28 is: 310,315,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,498,629.85 : 556,810,904.91 = 224,873,013.28 : x
  2. Step 2: Convert to fraction form
    403,498,629.85/556,810,904.91 = 224,873,013.28/x
  3. Step 3: Cross multiply
    403,498,629.85x = 556,810,904.91 × 224,873,013.28
  4. Step 4: Simplify right side
    403,498,629.85x = 125,211,746,014,275,248
  5. Step 5: Solve for x
    x = 125,211,746,014,275,248/403,498,629.85
  6. Step 6: Final answer
    x = 310,315,170.24

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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.