Home / 513,798,782.28-770,525,446.86-186,205,706.72

Finding the Fourth Proportional to 513,798,782.28, 770,525,446.86 and 186,205,706.72

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Solution

The fourth proportional to 513,798,782.28, 770,525,446.86 and 186,205,706.72 is: 279,245,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,798,782.28 : 770,525,446.86 = 186,205,706.72 : x
  2. Step 2: Convert to fraction form
    513,798,782.28/770,525,446.86 = 186,205,706.72/x
  3. Step 3: Cross multiply
    513,798,782.28x = 770,525,446.86 × 186,205,706.72
  4. Step 4: Simplify right side
    513,798,782.28x = 143,476,235,378,310,112
  5. Step 5: Solve for x
    x = 143,476,235,378,310,112/513,798,782.28
  6. Step 6: Final answer
    x = 279,245,962.28

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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.