Home / 860,691,738.57-1,291,033,313.93-336,114,139.83

Finding the Fourth Proportional to 860,691,738.57, 1,291,033,313.93 and 336,114,139.83

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Solution

The fourth proportional to 860,691,738.57, 1,291,033,313.93 and 336,114,139.83 is: 504,169,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,691,738.57 : 1,291,033,313.93 = 336,114,139.83 : x
  2. Step 2: Convert to fraction form
    860,691,738.57/1,291,033,313.93 = 336,114,139.83/x
  3. Step 3: Cross multiply
    860,691,738.57x = 1,291,033,313.93 × 336,114,139.83
  4. Step 4: Simplify right side
    860,691,738.57x = 433,934,551,803,456,320
  5. Step 5: Solve for x
    x = 433,934,551,803,456,320/860,691,738.57
  6. Step 6: Final answer
    x = 504,169,532.90

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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.