Home / 315,765,849.65-435,734,751.27-183,597,469.40

Finding the Fourth Proportional to 315,765,849.65, 435,734,751.27 and 183,597,469.40

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Solution

The fourth proportional to 315,765,849.65, 435,734,751.27 and 183,597,469.40 is: 253,351,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,765,849.65 : 435,734,751.27 = 183,597,469.40 : x
  2. Step 2: Convert to fraction form
    315,765,849.65/435,734,751.27 = 183,597,469.40/x
  3. Step 3: Cross multiply
    315,765,849.65x = 435,734,751.27 × 183,597,469.40
  4. Step 4: Simplify right side
    315,765,849.65x = 79,999,797,660,631,760
  5. Step 5: Solve for x
    x = 79,999,797,660,631,760/315,765,849.65
  6. Step 6: Final answer
    x = 253,351,645.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.