Home / 311,378,687.40-467,068,031.10-196,716,901.80

Finding the Fourth Proportional to 311,378,687.40, 467,068,031.10 and 196,716,901.80

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Solution

The fourth proportional to 311,378,687.40, 467,068,031.10 and 196,716,901.80 is: 295,075,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,378,687.40 : 467,068,031.10 = 196,716,901.80 : x
  2. Step 2: Convert to fraction form
    311,378,687.40/467,068,031.10 = 196,716,901.80/x
  3. Step 3: Cross multiply
    311,378,687.40x = 467,068,031.10 × 196,716,901.80
  4. Step 4: Simplify right side
    311,378,687.40x = 91,880,176,007,818,064
  5. Step 5: Solve for x
    x = 91,880,176,007,818,064/311,378,687.40
  6. Step 6: Final answer
    x = 295,075,352.70

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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.