Home / 472,392,823.80-708,589,235.70-435,085,665.60

Finding the Fourth Proportional to 472,392,823.80, 708,589,235.70 and 435,085,665.60

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Solution

The fourth proportional to 472,392,823.80, 708,589,235.70 and 435,085,665.60 is: 652,628,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,823.80 : 708,589,235.70 = 435,085,665.60 : x
  2. Step 2: Convert to fraction form
    472,392,823.80/708,589,235.70 = 435,085,665.60/x
  3. Step 3: Cross multiply
    472,392,823.80x = 708,589,235.70 × 435,085,665.60
  4. Step 4: Simplify right side
    472,392,823.80x = 308,297,019,251,529,792
  5. Step 5: Solve for x
    x = 308,297,019,251,529,792/472,392,823.80
  6. Step 6: Final answer
    x = 652,628,498.40

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1.5x scale

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.