Home / 389,561,614.84-537,595,216.95-213,360,691.60

Finding the Fourth Proportional to 389,561,614.84, 537,595,216.95 and 213,360,691.60

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Solution

The fourth proportional to 389,561,614.84, 537,595,216.95 and 213,360,691.60 is: 294,437,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,561,614.84 : 537,595,216.95 = 213,360,691.60 : x
  2. Step 2: Convert to fraction form
    389,561,614.84/537,595,216.95 = 213,360,691.60/x
  3. Step 3: Cross multiply
    389,561,614.84x = 537,595,216.95 × 213,360,691.60
  4. Step 4: Simplify right side
    389,561,614.84x = 114,701,687,289,304,048
  5. Step 5: Solve for x
    x = 114,701,687,289,304,048/389,561,614.84
  6. Step 6: Final answer
    x = 294,437,857.63

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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.