Home / 519,595,072.13-779,648,684.03-243,264,997.73

Finding the Fourth Proportional to 519,595,072.13, 779,648,684.03 and 243,264,997.73

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Solution

The fourth proportional to 519,595,072.13, 779,648,684.03 and 243,264,997.73 is: 365,017,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,595,072.13 : 779,648,684.03 = 243,264,997.73 : x
  2. Step 2: Convert to fraction form
    519,595,072.13/779,648,684.03 = 243,264,997.73/x
  3. Step 3: Cross multiply
    519,595,072.13x = 779,648,684.03 × 243,264,997.73
  4. Step 4: Simplify right side
    519,595,072.13x = 189,661,235,350,755,424
  5. Step 5: Solve for x
    x = 189,661,235,350,755,424/519,595,072.13
  6. Step 6: Final answer
    x = 365,017,386.66

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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.