Home / 860,691,738.95-1,291,033,314.50-336,114,140.21

Finding the Fourth Proportional to 860,691,738.95, 1,291,033,314.50 and 336,114,140.21

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Solution

The fourth proportional to 860,691,738.95, 1,291,033,314.50 and 336,114,140.21 is: 504,169,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,691,738.95 : 1,291,033,314.50 = 336,114,140.21 : x
  2. Step 2: Convert to fraction form
    860,691,738.95/1,291,033,314.50 = 336,114,140.21/x
  3. Step 3: Cross multiply
    860,691,738.95x = 1,291,033,314.50 × 336,114,140.21
  4. Step 4: Simplify right side
    860,691,738.95x = 433,934,552,477,498,240
  5. Step 5: Solve for x
    x = 433,934,552,477,498,240/860,691,738.95
  6. Step 6: Final answer
    x = 504,169,533.46

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1.5x scale

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.