Home / 446,200,357.32-615,107,522.10-311,821,062.66

Finding the Fourth Proportional to 446,200,357.32, 615,107,522.10 and 311,821,062.66

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Solution

The fourth proportional to 446,200,357.32, 615,107,522.10 and 311,821,062.66 is: 429,859,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,200,357.32 : 615,107,522.10 = 311,821,062.66 : x
  2. Step 2: Convert to fraction form
    446,200,357.32/615,107,522.10 = 311,821,062.66/x
  3. Step 3: Cross multiply
    446,200,357.32x = 615,107,522.10 × 311,821,062.66
  4. Step 4: Simplify right side
    446,200,357.32x = 191,803,481,191,381,472
  5. Step 5: Solve for x
    x = 191,803,481,191,381,472/446,200,357.32
  6. Step 6: Final answer
    x = 429,859,541.90

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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.