Home / 310,520,147,257.20-465,780,220,885.80-204,521,901,466.80

Finding the Fourth Proportional to 310,520,147,257.20, 465,780,220,885.80 and 204,521,901,466.80

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Solution

The fourth proportional to 310,520,147,257.20, 465,780,220,885.80 and 204,521,901,466.80 is: 306,782,852,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,520,147,257.20 : 465,780,220,885.80 = 204,521,901,466.80 : x
  2. Step 2: Convert to fraction form
    310,520,147,257.20/465,780,220,885.80 = 204,521,901,466.80/x
  3. Step 3: Cross multiply
    310,520,147,257.20x = 465,780,220,885.80 × 204,521,901,466.80
  4. Step 4: Simplify right side
    310,520,147,257.20x = 95,262,256,441,189,925,388,288
  5. Step 5: Solve for x
    x = 95,262,256,441,189,925,388,288/310,520,147,257.20
  6. Step 6: Final answer
    x = 306,782,852,200.20

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Double scale
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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.