Home / 550,368,126.90-825,552,190.35-508,277,999.70

Finding the Fourth Proportional to 550,368,126.90, 825,552,190.35 and 508,277,999.70

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Solution

The fourth proportional to 550,368,126.90, 825,552,190.35 and 508,277,999.70 is: 762,416,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,368,126.90 : 825,552,190.35 = 508,277,999.70 : x
  2. Step 2: Convert to fraction form
    550,368,126.90/825,552,190.35 = 508,277,999.70/x
  3. Step 3: Cross multiply
    550,368,126.90x = 825,552,190.35 × 508,277,999.70
  4. Step 4: Simplify right side
    550,368,126.90x = 419,610,015,959,051,648
  5. Step 5: Solve for x
    x = 419,610,015,959,051,648/550,368,126.90
  6. Step 6: Final answer
    x = 762,416,999.55

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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.