Home / 525,808,047.84-788,783,812.56-219,028,416.36

Finding the Fourth Proportional to 525,808,047.84, 788,783,812.56 and 219,028,416.36

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Solution

The fourth proportional to 525,808,047.84, 788,783,812.56 and 219,028,416.36 is: 328,572,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,808,047.84 : 788,783,812.56 = 219,028,416.36 : x
  2. Step 2: Convert to fraction form
    525,808,047.84/788,783,812.56 = 219,028,416.36/x
  3. Step 3: Cross multiply
    525,808,047.84x = 788,783,812.56 × 219,028,416.36
  4. Step 4: Simplify right side
    525,808,047.84x = 172,766,069,315,419,872
  5. Step 5: Solve for x
    x = 172,766,069,315,419,872/525,808,047.84
  6. Step 6: Final answer
    x = 328,572,508.59

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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.