Home / 1,512,004,329.80-2,266,214,904.30-638,604,009.80

Finding the Fourth Proportional to 1,512,004,329.80, 2,266,214,904.30 and 638,604,009.80

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Solution

The fourth proportional to 1,512,004,329.80, 2,266,214,904.30 and 638,604,009.80 is: 957,149,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,004,329.80 : 2,266,214,904.30 = 638,604,009.80 : x
  2. Step 2: Convert to fraction form
    1,512,004,329.80/2,266,214,904.30 = 638,604,009.80/x
  3. Step 3: Cross multiply
    1,512,004,329.80x = 2,266,214,904.30 × 638,604,009.80
  4. Step 4: Simplify right side
    1,512,004,329.80x = 1,447,213,924,954,503,168
  5. Step 5: Solve for x
    x = 1,447,213,924,954,503,168/1,512,004,329.80
  6. Step 6: Final answer
    x = 957,149,325.85

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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.