Home / 446,200,207.47-615,107,315.88-311,820,912.63

Finding the Fourth Proportional to 446,200,207.47, 615,107,315.88 and 311,820,912.63

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Solution

The fourth proportional to 446,200,207.47, 615,107,315.88 and 311,820,912.63 is: 429,859,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,200,207.47 : 615,107,315.88 = 311,820,912.63 : x
  2. Step 2: Convert to fraction form
    446,200,207.47/615,107,315.88 = 311,820,912.63/x
  3. Step 3: Cross multiply
    446,200,207.47x = 615,107,315.88 × 311,820,912.63
  4. Step 4: Simplify right side
    446,200,207.47x = 191,803,324,603,091,296
  5. Step 5: Solve for x
    x = 191,803,324,603,091,296/446,200,207.47
  6. Step 6: Final answer
    x = 429,859,335.32

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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.