Home / 436,638,988.37-654,971,778.59-170,734,082.64

Finding the Fourth Proportional to 436,638,988.37, 654,971,778.59 and 170,734,082.64

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Solution

The fourth proportional to 436,638,988.37, 654,971,778.59 and 170,734,082.64 is: 256,106,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,638,988.37 : 654,971,778.59 = 170,734,082.64 : x
  2. Step 2: Convert to fraction form
    436,638,988.37/654,971,778.59 = 170,734,082.64/x
  3. Step 3: Cross multiply
    436,638,988.37x = 654,971,778.59 × 170,734,082.64
  4. Step 4: Simplify right side
    436,638,988.37x = 111,826,005,771,799,168
  5. Step 5: Solve for x
    x = 111,826,005,771,799,168/436,638,988.37
  6. Step 6: Final answer
    x = 256,106,322.96

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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.