Home / 806,786,933.63-1,113,336,574.36-449,536,251.78

Finding the Fourth Proportional to 806,786,933.63, 1,113,336,574.36 and 449,536,251.78

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Solution

The fourth proportional to 806,786,933.63, 1,113,336,574.36 and 449,536,251.78 is: 620,343,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,933.63 : 1,113,336,574.36 = 449,536,251.78 : x
  2. Step 2: Convert to fraction form
    806,786,933.63/1,113,336,574.36 = 449,536,251.78/x
  3. Step 3: Cross multiply
    806,786,933.63x = 1,113,336,574.36 × 449,536,251.78
  4. Step 4: Simplify right side
    806,786,933.63x = 500,485,150,606,255,808
  5. Step 5: Solve for x
    x = 500,485,150,606,255,808/806,786,933.63
  6. Step 6: Final answer
    x = 620,343,649.29

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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.