Home / 525,808,164.36-788,783,987.72-219,028,533.24

Finding the Fourth Proportional to 525,808,164.36, 788,783,987.72 and 219,028,533.24

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Solution

The fourth proportional to 525,808,164.36, 788,783,987.72 and 219,028,533.24 is: 328,572,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,808,164.36 : 788,783,987.72 = 219,028,533.24 : x
  2. Step 2: Convert to fraction form
    525,808,164.36/788,783,987.72 = 219,028,533.24/x
  3. Step 3: Cross multiply
    525,808,164.36x = 788,783,987.72 × 219,028,533.24
  4. Step 4: Simplify right side
    525,808,164.36x = 172,766,199,873,509,792
  5. Step 5: Solve for x
    x = 172,766,199,873,509,792/525,808,164.36
  6. Step 6: Final answer
    x = 328,572,684.08

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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.