Home / 1,109,662,932.87-1,662,178,145.91-665,597,310.84

Finding the Fourth Proportional to 1,109,662,932.87, 1,662,178,145.91 and 665,597,310.84

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Solution

The fourth proportional to 1,109,662,932.87, 1,662,178,145.91 and 665,597,310.84 is: 997,006,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,662,932.87 : 1,662,178,145.91 = 665,597,310.84 : x
  2. Step 2: Convert to fraction form
    1,109,662,932.87/1,662,178,145.91 = 665,597,310.84/x
  3. Step 3: Cross multiply
    1,109,662,932.87x = 1,662,178,145.91 × 665,597,310.84
  4. Step 4: Simplify right side
    1,109,662,932.87x = 1,106,341,304,054,713,216
  5. Step 5: Solve for x
    x = 1,106,341,304,054,713,216/1,109,662,932.87
  6. Step 6: Final answer
    x = 997,006,632.63

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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.