Home / 2,705,113,457.84-4,059,058,551.77-1,288,614,749.87

Finding the Fourth Proportional to 2,705,113,457.84, 4,059,058,551.77 and 1,288,614,749.87

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Solution

The fourth proportional to 2,705,113,457.84, 4,059,058,551.77 and 1,288,614,749.87 is: 1,933,583,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705,113,457.84 : 4,059,058,551.77 = 1,288,614,749.87 : x
  2. Step 2: Convert to fraction form
    2,705,113,457.84/4,059,058,551.77 = 1,288,614,749.87/x
  3. Step 3: Cross multiply
    2,705,113,457.84x = 4,059,058,551.77 × 1,288,614,749.87
  4. Step 4: Simplify right side
    2,705,113,457.84x = 5,230,562,720,410,022,912
  5. Step 5: Solve for x
    x = 5,230,562,720,410,022,912/2,705,113,457.84
  6. Step 6: Final answer
    x = 1,933,583,489.91

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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.