Home / 742,858,151.26-1,025,122,091.55-425,307,861.70

Finding the Fourth Proportional to 742,858,151.26, 1,025,122,091.55 and 425,307,861.70

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Solution

The fourth proportional to 742,858,151.26, 1,025,122,091.55 and 425,307,861.70 is: 586,912,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,858,151.26 : 1,025,122,091.55 = 425,307,861.70 : x
  2. Step 2: Convert to fraction form
    742,858,151.26/1,025,122,091.55 = 425,307,861.70/x
  3. Step 3: Cross multiply
    742,858,151.26x = 1,025,122,091.55 × 425,307,861.70
  4. Step 4: Simplify right side
    742,858,151.26x = 435,992,484,738,562,112
  5. Step 5: Solve for x
    x = 435,992,484,738,562,112/742,858,151.26
  6. Step 6: Final answer
    x = 586,912,163.51

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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.