Home / 585,378,409.99-877,716,855.78-186,364,535.57

Finding the Fourth Proportional to 585,378,409.99, 877,716,855.78 and 186,364,535.57

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Solution

The fourth proportional to 585,378,409.99, 877,716,855.78 and 186,364,535.57 is: 279,435,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,378,409.99 : 877,716,855.78 = 186,364,535.57 : x
  2. Step 2: Convert to fraction form
    585,378,409.99/877,716,855.78 = 186,364,535.57/x
  3. Step 3: Cross multiply
    585,378,409.99x = 877,716,855.78 × 186,364,535.57
  4. Step 4: Simplify right side
    585,378,409.99x = 163,575,294,191,574,848
  5. Step 5: Solve for x
    x = 163,575,294,191,574,848/585,378,409.99
  6. Step 6: Final answer
    x = 279,435,133.58

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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.