Home / 380,984,148,015.10-571,476,222,022.64-310,456,400,328.70

Finding the Fourth Proportional to 380,984,148,015.10, 571,476,222,022.64 and 310,456,400,328.70

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Solution

The fourth proportional to 380,984,148,015.10, 571,476,222,022.64 and 310,456,400,328.70 is: 465,684,600,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,984,148,015.10 : 571,476,222,022.64 = 310,456,400,328.70 : x
  2. Step 2: Convert to fraction form
    380,984,148,015.10/571,476,222,022.64 = 310,456,400,328.70/x
  3. Step 3: Cross multiply
    380,984,148,015.10x = 571,476,222,022.64 × 310,456,400,328.70
  4. Step 4: Simplify right side
    380,984,148,015.10x = 177,418,450,762,593,776,697,344
  5. Step 5: Solve for x
    x = 177,418,450,762,593,776,697,344/380,984,148,015.10
  6. Step 6: Final answer
    x = 465,684,600,493.04

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Double scale
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Similar ratio
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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.