Home / 389,682,497.10-537,757,561.89-211,061,942.00

Finding the Fourth Proportional to 389,682,497.10, 537,757,561.89 and 211,061,942.00

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Solution

The fourth proportional to 389,682,497.10, 537,757,561.89 and 211,061,942.00 is: 291,263,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,682,497.10 : 537,757,561.89 = 211,061,942.00 : x
  2. Step 2: Convert to fraction form
    389,682,497.10/537,757,561.89 = 211,061,942.00/x
  3. Step 3: Cross multiply
    389,682,497.10x = 537,757,561.89 × 211,061,942.00
  4. Step 4: Simplify right side
    389,682,497.10x = 113,500,155,334,999,808
  5. Step 5: Solve for x
    x = 113,500,155,334,999,808/389,682,497.10
  6. Step 6: Final answer
    x = 291,263,159.57

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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.