Home / 453,823,009.35-680,734,514.03-389,252,927.85

Finding the Fourth Proportional to 453,823,009.35, 680,734,514.03 and 389,252,927.85

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Solution

The fourth proportional to 453,823,009.35, 680,734,514.03 and 389,252,927.85 is: 583,879,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,823,009.35 : 680,734,514.03 = 389,252,927.85 : x
  2. Step 2: Convert to fraction form
    453,823,009.35/680,734,514.03 = 389,252,927.85/x
  3. Step 3: Cross multiply
    453,823,009.35x = 680,734,514.03 × 389,252,927.85
  4. Step 4: Simplify right side
    453,823,009.35x = 264,977,902,672,778,144
  5. Step 5: Solve for x
    x = 264,977,902,672,778,144/453,823,009.35
  6. Step 6: Final answer
    x = 583,879,391.78

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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.