Home / 1,420,706,860,302.90-2,131,185,569,796.10-400,833,319,223.86

Finding the Fourth Proportional to 1,420,706,860,302.90, 2,131,185,569,796.10 and 400,833,319,223.86

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Solution

The fourth proportional to 1,420,706,860,302.90, 2,131,185,569,796.10 and 400,833,319,223.86 is: 601,285,324,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,302.90 : 2,131,185,569,796.10 = 400,833,319,223.86 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,302.90/2,131,185,569,796.10 = 400,833,319,223.86/x
  3. Step 3: Cross multiply
    1,420,706,860,302.90x = 2,131,185,569,796.10 × 400,833,319,223.86
  4. Step 4: Simplify right side
    1,420,706,860,302.90x = 854,250,185,823,364,073,914,368
  5. Step 5: Solve for x
    x = 854,250,185,823,364,073,914,368/1,420,706,860,302.90
  6. Step 6: Final answer
    x = 601,285,324,715.92

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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.