Home / 492,034,273.50-679,021,469.19-272,031,871.26

Finding the Fourth Proportional to 492,034,273.50, 679,021,469.19 and 272,031,871.26

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Solution

The fourth proportional to 492,034,273.50, 679,021,469.19 and 272,031,871.26 is: 375,411,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,273.50 : 679,021,469.19 = 272,031,871.26 : x
  2. Step 2: Convert to fraction form
    492,034,273.50/679,021,469.19 = 272,031,871.26/x
  3. Step 3: Cross multiply
    492,034,273.50x = 679,021,469.19 × 272,031,871.26
  4. Step 4: Simplify right side
    492,034,273.50x = 184,715,480,889,470,144
  5. Step 5: Solve for x
    x = 184,715,480,889,470,144/492,034,273.50
  6. Step 6: Final answer
    x = 375,411,817.51

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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.