Home / 1,816,106,940-2,724,160,439.88-435,921,446.16

Finding the Fourth Proportional to 1,816,106,940, 2,724,160,439.88 and 435,921,446.16

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Solution

The fourth proportional to 1,816,106,940, 2,724,160,439.88 and 435,921,446.16 is: 653,882,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,106,940 : 2,724,160,439.88 = 435,921,446.16 : x
  2. Step 2: Convert to fraction form
    1,816,106,940/2,724,160,439.88 = 435,921,446.16/x
  3. Step 3: Cross multiply
    1,816,106,940x = 2,724,160,439.88 × 435,921,446.16
  4. Step 4: Simplify right side
    1,816,106,940x = 1,187,519,958,524,351,488
  5. Step 5: Solve for x
    x = 1,187,519,958,524,351,488/1,816,106,940
  6. Step 6: Final answer
    x = 653,882,176.41

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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.