Home / 445,438,545.39-614,719,171.44-257,263,343.55

Finding the Fourth Proportional to 445,438,545.39, 614,719,171.44 and 257,263,343.55

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Solution

The fourth proportional to 445,438,545.39, 614,719,171.44 and 257,263,343.55 is: 355,031,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,438,545.39 : 614,719,171.44 = 257,263,343.55 : x
  2. Step 2: Convert to fraction form
    445,438,545.39/614,719,171.44 = 257,263,343.55/x
  3. Step 3: Cross multiply
    445,438,545.39x = 614,719,171.44 × 257,263,343.55
  4. Step 4: Simplify right side
    445,438,545.39x = 158,144,709,388,940,096
  5. Step 5: Solve for x
    x = 158,144,709,388,940,096/445,438,545.39
  6. Step 6: Final answer
    x = 355,031,487.57

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1.5x scale

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.