Home / 553,093,017,616.15-763,503,381,289.38-344,622,939,257.35

Finding the Fourth Proportional to 553,093,017,616.15, 763,503,381,289.38 and 344,622,939,257.35

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Solution

The fourth proportional to 553,093,017,616.15, 763,503,381,289.38 and 344,622,939,257.35 is: 475,726,091,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,093,017,616.15 : 763,503,381,289.38 = 344,622,939,257.35 : x
  2. Step 2: Convert to fraction form
    553,093,017,616.15/763,503,381,289.38 = 344,622,939,257.35/x
  3. Step 3: Cross multiply
    553,093,017,616.15x = 763,503,381,289.38 × 344,622,939,257.35
  4. Step 4: Simplify right side
    553,093,017,616.15x = 263,120,779,392,871,307,411,456
  5. Step 5: Solve for x
    x = 263,120,779,392,871,307,411,456/553,093,017,616.15
  6. Step 6: Final answer
    x = 475,726,091,294.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.