Home / 550,208,014.80-825,312,022.20-366,542,005.20

Finding the Fourth Proportional to 550,208,014.80, 825,312,022.20 and 366,542,005.20

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Solution

The fourth proportional to 550,208,014.80, 825,312,022.20 and 366,542,005.20 is: 549,813,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,208,014.80 : 825,312,022.20 = 366,542,005.20 : x
  2. Step 2: Convert to fraction form
    550,208,014.80/825,312,022.20 = 366,542,005.20/x
  3. Step 3: Cross multiply
    550,208,014.80x = 825,312,022.20 × 366,542,005.20
  4. Step 4: Simplify right side
    550,208,014.80x = 302,511,523,532,854,912
  5. Step 5: Solve for x
    x = 302,511,523,532,854,912/550,208,014.80
  6. Step 6: Final answer
    x = 549,813,007.80

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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.