Home / 703,296,777.60-1,054,945,166.40-359,311,420.80

Finding the Fourth Proportional to 703,296,777.60, 1,054,945,166.40 and 359,311,420.80

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Solution

The fourth proportional to 703,296,777.60, 1,054,945,166.40 and 359,311,420.80 is: 538,967,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,296,777.60 : 1,054,945,166.40 = 359,311,420.80 : x
  2. Step 2: Convert to fraction form
    703,296,777.60/1,054,945,166.40 = 359,311,420.80/x
  3. Step 3: Cross multiply
    703,296,777.60x = 1,054,945,166.40 × 359,311,420.80
  4. Step 4: Simplify right side
    703,296,777.60x = 379,053,846,605,276,416
  5. Step 5: Solve for x
    x = 379,053,846,605,276,416/703,296,777.60
  6. Step 6: Final answer
    x = 538,967,131.20

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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.