Home / 317,045,117.70-475,567,676.55-213,732,987.30

Finding the Fourth Proportional to 317,045,117.70, 475,567,676.55 and 213,732,987.30

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Solution

The fourth proportional to 317,045,117.70, 475,567,676.55 and 213,732,987.30 is: 320,599,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045,117.70 : 475,567,676.55 = 213,732,987.30 : x
  2. Step 2: Convert to fraction form
    317,045,117.70/475,567,676.55 = 213,732,987.30/x
  3. Step 3: Cross multiply
    317,045,117.70x = 475,567,676.55 × 213,732,987.30
  4. Step 4: Simplify right side
    317,045,117.70x = 101,644,500,172,351,664
  5. Step 5: Solve for x
    x = 101,644,500,172,351,664/317,045,117.70
  6. Step 6: Final answer
    x = 320,599,480.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.