Home / 525,983,993.80-788,975,990.70-219,496,064.20

Finding the Fourth Proportional to 525,983,993.80, 788,975,990.70 and 219,496,064.20

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Solution

The fourth proportional to 525,983,993.80, 788,975,990.70 and 219,496,064.20 is: 329,244,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,983,993.80 : 788,975,990.70 = 219,496,064.20 : x
  2. Step 2: Convert to fraction form
    525,983,993.80/788,975,990.70 = 219,496,064.20/x
  3. Step 3: Cross multiply
    525,983,993.80x = 788,975,990.70 × 219,496,064.20
  4. Step 4: Simplify right side
    525,983,993.80x = 173,177,124,706,945,792
  5. Step 5: Solve for x
    x = 173,177,124,706,945,792/525,983,993.80
  6. Step 6: Final answer
    x = 329,244,096.30

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Double scale
Find fourth proportional to 525,983,994.80, 788,975,992.20 and 219,496,065.20
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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.