Home / 437,284,938.76-655,928,653.31-126,417,861.47

Finding the Fourth Proportional to 437,284,938.76, 655,928,653.31 and 126,417,861.47

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Solution

The fourth proportional to 437,284,938.76, 655,928,653.31 and 126,417,861.47 is: 189,627,152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,284,938.76 : 655,928,653.31 = 126,417,861.47 : x
  2. Step 2: Convert to fraction form
    437,284,938.76/655,928,653.31 = 126,417,861.47/x
  3. Step 3: Cross multiply
    437,284,938.76x = 655,928,653.31 × 126,417,861.47
  4. Step 4: Simplify right side
    437,284,938.76x = 82,921,097,627,715,136
  5. Step 5: Solve for x
    x = 82,921,097,627,715,136/437,284,938.76
  6. Step 6: Final answer
    x = 189,627,152.18

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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.