Home / 807,417,137.82-1,114,236,138.33-436,139,333.22

Finding the Fourth Proportional to 807,417,137.82, 1,114,236,138.33 and 436,139,333.22

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Solution

The fourth proportional to 807,417,137.82, 1,114,236,138.33 and 436,139,333.22 is: 601,872,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,137.82 : 1,114,236,138.33 = 436,139,333.22 : x
  2. Step 2: Convert to fraction form
    807,417,137.82/1,114,236,138.33 = 436,139,333.22/x
  3. Step 3: Cross multiply
    807,417,137.82x = 1,114,236,138.33 × 436,139,333.22
  4. Step 4: Simplify right side
    807,417,137.82x = 485,962,206,420,873,856
  5. Step 5: Solve for x
    x = 485,962,206,420,873,856/807,417,137.82
  6. Step 6: Final answer
    x = 601,872,543.52

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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.