Home / 470,382,918.53-705,668,560.94-263,415,657.15

Finding the Fourth Proportional to 470,382,918.53, 705,668,560.94 and 263,415,657.15

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Solution

The fourth proportional to 470,382,918.53, 705,668,560.94 and 263,415,657.15 is: 395,176,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,382,918.53 : 705,668,560.94 = 263,415,657.15 : x
  2. Step 2: Convert to fraction form
    470,382,918.53/705,668,560.94 = 263,415,657.15/x
  3. Step 3: Cross multiply
    470,382,918.53x = 705,668,560.94 × 263,415,657.15
  4. Step 4: Simplify right side
    470,382,918.53x = 185,884,147,710,763,456
  5. Step 5: Solve for x
    x = 185,884,147,710,763,456/470,382,918.53
  6. Step 6: Final answer
    x = 395,176,228.54

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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.