Home / 450,396,711.75-675,696,939.21-243,130,673.55

Finding the Fourth Proportional to 450,396,711.75, 675,696,939.21 and 243,130,673.55

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Solution

The fourth proportional to 450,396,711.75, 675,696,939.21 and 243,130,673.55 is: 364,751,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,396,711.75 : 675,696,939.21 = 243,130,673.55 : x
  2. Step 2: Convert to fraction form
    450,396,711.75/675,696,939.21 = 243,130,673.55/x
  3. Step 3: Cross multiply
    450,396,711.75x = 675,696,939.21 × 243,130,673.55
  4. Step 4: Simplify right side
    450,396,711.75x = 164,282,651,945,800,736
  5. Step 5: Solve for x
    x = 164,282,651,945,800,736/450,396,711.75
  6. Step 6: Final answer
    x = 364,751,002.08

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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.