Home / 389,682,498.60-537,757,563.96-211,061,943.50

Finding the Fourth Proportional to 389,682,498.60, 537,757,563.96 and 211,061,943.50

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Solution

The fourth proportional to 389,682,498.60, 537,757,563.96 and 211,061,943.50 is: 291,263,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,682,498.60 : 537,757,563.96 = 211,061,943.50 : x
  2. Step 2: Convert to fraction form
    389,682,498.60/537,757,563.96 = 211,061,943.50/x
  3. Step 3: Cross multiply
    389,682,498.60x = 537,757,563.96 × 211,061,943.50
  4. Step 4: Simplify right side
    389,682,498.60x = 113,500,156,578,534,384
  5. Step 5: Solve for x
    x = 113,500,156,578,534,384/389,682,498.60
  6. Step 6: Final answer
    x = 291,263,161.64

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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.