Home / 331,806,083.20-497,709,124.80-263,277,750.40

Finding the Fourth Proportional to 331,806,083.20, 497,709,124.80 and 263,277,750.40

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Solution

The fourth proportional to 331,806,083.20, 497,709,124.80 and 263,277,750.40 is: 394,916,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,806,083.20 : 497,709,124.80 = 263,277,750.40 : x
  2. Step 2: Convert to fraction form
    331,806,083.20/497,709,124.80 = 263,277,750.40/x
  3. Step 3: Cross multiply
    331,806,083.20x = 497,709,124.80 × 263,277,750.40
  4. Step 4: Simplify right side
    331,806,083.20x = 131,035,738,730,896,864
  5. Step 5: Solve for x
    x = 131,035,738,730,896,864/331,806,083.20
  6. Step 6: Final answer
    x = 394,916,625.60

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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.