Home / 550,632,138.19-825,646,315.22-218,302,484.15

Finding the Fourth Proportional to 550,632,138.19, 825,646,315.22 and 218,302,484.15

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Solution

The fourth proportional to 550,632,138.19, 825,646,315.22 and 218,302,484.15 is: 327,334,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,632,138.19 : 825,646,315.22 = 218,302,484.15 : x
  2. Step 2: Convert to fraction form
    550,632,138.19/825,646,315.22 = 218,302,484.15/x
  3. Step 3: Cross multiply
    550,632,138.19x = 825,646,315.22 × 218,302,484.15
  4. Step 4: Simplify right side
    550,632,138.19x = 180,240,641,643,611,200
  5. Step 5: Solve for x
    x = 180,240,641,643,611,200/550,632,138.19
  6. Step 6: Final answer
    x = 327,334,038.72

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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.