Home / 331,778,847.40-497,668,271.10-101,783,429.80

Finding the Fourth Proportional to 331,778,847.40, 497,668,271.10 and 101,783,429.80

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Solution

The fourth proportional to 331,778,847.40, 497,668,271.10 and 101,783,429.80 is: 152,675,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,778,847.40 : 497,668,271.10 = 101,783,429.80 : x
  2. Step 2: Convert to fraction form
    331,778,847.40/497,668,271.10 = 101,783,429.80/x
  3. Step 3: Cross multiply
    331,778,847.40x = 497,668,271.10 × 101,783,429.80
  4. Step 4: Simplify right side
    331,778,847.40x = 50,654,383,535,194,216
  5. Step 5: Solve for x
    x = 50,654,383,535,194,216/331,778,847.40
  6. Step 6: Final answer
    x = 152,675,144.70

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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.