Home / 1,276,803,781.96-1,915,286,471.67-539,736,285.25

Finding the Fourth Proportional to 1,276,803,781.96, 1,915,286,471.67 and 539,736,285.25

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Solution

The fourth proportional to 1,276,803,781.96, 1,915,286,471.67 and 539,736,285.25 is: 809,638,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,803,781.96 : 1,915,286,471.67 = 539,736,285.25 : x
  2. Step 2: Convert to fraction form
    1,276,803,781.96/1,915,286,471.67 = 539,736,285.25/x
  3. Step 3: Cross multiply
    1,276,803,781.96x = 1,915,286,471.67 × 539,736,285.25
  4. Step 4: Simplify right side
    1,276,803,781.96x = 1,033,749,605,408,745,216
  5. Step 5: Solve for x
    x = 1,033,749,605,408,745,216/1,276,803,781.96
  6. Step 6: Final answer
    x = 809,638,583.48

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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.