Home / 653,352,139.94-901,614,601.00-355,996,825.53

Finding the Fourth Proportional to 653,352,139.94, 901,614,601.00 and 355,996,825.53

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Solution

The fourth proportional to 653,352,139.94, 901,614,601.00 and 355,996,825.53 is: 491,269,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,352,139.94 : 901,614,601.00 = 355,996,825.53 : x
  2. Step 2: Convert to fraction form
    653,352,139.94/901,614,601.00 = 355,996,825.53/x
  3. Step 3: Cross multiply
    653,352,139.94x = 901,614,601.00 × 355,996,825.53
  4. Step 4: Simplify right side
    653,352,139.94x = 320,971,935,801,209,472
  5. Step 5: Solve for x
    x = 320,971,935,801,209,472/653,352,139.94
  6. Step 6: Final answer
    x = 491,269,433.71

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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.