Home / 556,675,939.53-768,167,059.38-305,767,364.50

Finding the Fourth Proportional to 556,675,939.53, 768,167,059.38 and 305,767,364.50

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Solution

The fourth proportional to 556,675,939.53, 768,167,059.38 and 305,767,364.50 is: 421,933,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,675,939.53 : 768,167,059.38 = 305,767,364.50 : x
  2. Step 2: Convert to fraction form
    556,675,939.53/768,167,059.38 = 305,767,364.50/x
  3. Step 3: Cross multiply
    556,675,939.53x = 768,167,059.38 × 305,767,364.50
  4. Step 4: Simplify right side
    556,675,939.53x = 234,880,417,242,151,200
  5. Step 5: Solve for x
    x = 234,880,417,242,151,200/556,675,939.53
  6. Step 6: Final answer
    x = 421,933,840.79

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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.