Home / 331,974,420.80-497,961,631.20-159,409,623.20

Finding the Fourth Proportional to 331,974,420.80, 497,961,631.20 and 159,409,623.20

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Solution

The fourth proportional to 331,974,420.80, 497,961,631.20 and 159,409,623.20 is: 239,114,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,974,420.80 : 497,961,631.20 = 159,409,623.20 : x
  2. Step 2: Convert to fraction form
    331,974,420.80/497,961,631.20 = 159,409,623.20/x
  3. Step 3: Cross multiply
    331,974,420.80x = 497,961,631.20 × 159,409,623.20
  4. Step 4: Simplify right side
    331,974,420.80x = 79,379,875,997,649,360
  5. Step 5: Solve for x
    x = 79,379,875,997,649,360/331,974,420.80
  6. Step 6: Final answer
    x = 239,114,434.80

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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.