Home / 1,247,379,984,718-1,867,847,567,113.70-860,898,672,500.58

Finding the Fourth Proportional to 1,247,379,984,718, 1,867,847,567,113.70 and 860,898,672,500.58

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Solution

The fourth proportional to 1,247,379,984,718, 1,867,847,567,113.70 and 860,898,672,500.58 is: 1,289,124,012,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,379,984,718 : 1,867,847,567,113.70 = 860,898,672,500.58 : x
  2. Step 2: Convert to fraction form
    1,247,379,984,718/1,867,847,567,113.70 = 860,898,672,500.58/x
  3. Step 3: Cross multiply
    1,247,379,984,718x = 1,867,847,567,113.70 × 860,898,672,500.58
  4. Step 4: Simplify right side
    1,247,379,984,718x = 1,608,027,490,961,622,097,199,104
  5. Step 5: Solve for x
    x = 1,608,027,490,961,622,097,199,104/1,247,379,984,718
  6. Step 6: Final answer
    x = 1,289,124,012,459.73

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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.