Home / 456,995,245.75-685,014,479.88-191,253,222.43

Finding the Fourth Proportional to 456,995,245.75, 685,014,479.88 and 191,253,222.43

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Solution

The fourth proportional to 456,995,245.75, 685,014,479.88 and 191,253,222.43 is: 286,679,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,995,245.75 : 685,014,479.88 = 191,253,222.43 : x
  2. Step 2: Convert to fraction form
    456,995,245.75/685,014,479.88 = 191,253,222.43/x
  3. Step 3: Cross multiply
    456,995,245.75x = 685,014,479.88 × 191,253,222.43
  4. Step 4: Simplify right side
    456,995,245.75x = 131,011,226,688,260,400
  5. Step 5: Solve for x
    x = 131,011,226,688,260,400/456,995,245.75
  6. Step 6: Final answer
    x = 286,679,627.21

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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.