Home / 1,420,706,860,304.70-2,131,185,569,799-400,833,319,225.72

Finding the Fourth Proportional to 1,420,706,860,304.70, 2,131,185,569,799 and 400,833,319,225.72

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Solution

The fourth proportional to 1,420,706,860,304.70, 2,131,185,569,799 and 400,833,319,225.72 is: 601,285,324,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,706,860,304.70 : 2,131,185,569,799 = 400,833,319,225.72 : x
  2. Step 2: Convert to fraction form
    1,420,706,860,304.70/2,131,185,569,799 = 400,833,319,225.72/x
  3. Step 3: Cross multiply
    1,420,706,860,304.70x = 2,131,185,569,799 × 400,833,319,225.72
  4. Step 4: Simplify right side
    1,420,706,860,304.70x = 854,250,185,828,490,520,035,328
  5. Step 5: Solve for x
    x = 854,250,185,828,490,520,035,328/1,420,706,860,304.70
  6. Step 6: Final answer
    x = 601,285,324,718.77

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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.