Home / 860,140,943,999.70-1,290,211,415,999.50-860,140,943,999.70

Finding the Fourth Proportional to 860,140,943,999.70, 1,290,211,415,999.50 and 860,140,943,999.70

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Solution

The fourth proportional to 860,140,943,999.70, 1,290,211,415,999.50 and 860,140,943,999.70 is: 1,290,211,415,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,140,943,999.70 : 1,290,211,415,999.50 = 860,140,943,999.70 : x
  2. Step 2: Convert to fraction form
    860,140,943,999.70/1,290,211,415,999.50 = 860,140,943,999.70/x
  3. Step 3: Cross multiply
    860,140,943,999.70x = 1,290,211,415,999.50 × 860,140,943,999.70
  4. Step 4: Simplify right side
    860,140,943,999.70x = 1,109,763,665,316,999,560,429,568
  5. Step 5: Solve for x
    x = 1,109,763,665,316,999,560,429,568/860,140,943,999.70
  6. Step 6: Final answer
    x = 1,290,211,415,999.50

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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.