Home / 380,984,148,014.10-571,476,222,021.14-310,456,400,327.70

Finding the Fourth Proportional to 380,984,148,014.10, 571,476,222,021.14 and 310,456,400,327.70

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Solution

The fourth proportional to 380,984,148,014.10, 571,476,222,021.14 and 310,456,400,327.70 is: 465,684,600,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,984,148,014.10 : 571,476,222,021.14 = 310,456,400,327.70 : x
  2. Step 2: Convert to fraction form
    380,984,148,014.10/571,476,222,021.14 = 310,456,400,327.70/x
  3. Step 3: Cross multiply
    380,984,148,014.10x = 571,476,222,021.14 × 310,456,400,327.70
  4. Step 4: Simplify right side
    380,984,148,014.10x = 177,418,450,761,556,609,204,224
  5. Step 5: Solve for x
    x = 177,418,450,761,556,609,204,224/380,984,148,014.10
  6. Step 6: Final answer
    x = 465,684,600,491.54

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Double scale
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1.5x scale

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.