Home / 550,380,909.12-759,516,043.68-299,476,836.72

Finding the Fourth Proportional to 550,380,909.12, 759,516,043.68 and 299,476,836.72

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Solution

The fourth proportional to 550,380,909.12, 759,516,043.68 and 299,476,836.72 is: 413,272,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,380,909.12 : 759,516,043.68 = 299,476,836.72 : x
  2. Step 2: Convert to fraction form
    550,380,909.12/759,516,043.68 = 299,476,836.72/x
  3. Step 3: Cross multiply
    550,380,909.12x = 759,516,043.68 × 299,476,836.72
  4. Step 4: Simplify right side
    550,380,909.12x = 227,457,462,199,375,744
  5. Step 5: Solve for x
    x = 227,457,462,199,375,744/550,380,909.12
  6. Step 6: Final answer
    x = 413,272,805.13

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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.