Home / 446,200,696.05-615,107,995.50-311,821,407.11

Finding the Fourth Proportional to 446,200,696.05, 615,107,995.50 and 311,821,407.11

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Solution

The fourth proportional to 446,200,696.05, 615,107,995.50 and 311,821,407.11 is: 429,860,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,200,696.05 : 615,107,995.50 = 311,821,407.11 : x
  2. Step 2: Convert to fraction form
    446,200,696.05/615,107,995.50 = 311,821,407.11/x
  3. Step 3: Cross multiply
    446,200,696.05x = 615,107,995.50 × 311,821,407.11
  4. Step 4: Simplify right side
    446,200,696.05x = 191,803,840,684,128,640
  5. Step 5: Solve for x
    x = 191,803,840,684,128,640/446,200,696.05
  6. Step 6: Final answer
    x = 429,860,021.25

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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.