Home / 542,196,183.40-812,727,404.70-296,174,429.80

Finding the Fourth Proportional to 542,196,183.40, 812,727,404.70 and 296,174,429.80

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Solution

The fourth proportional to 542,196,183.40, 812,727,404.70 and 296,174,429.80 is: 443,951,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,196,183.40 : 812,727,404.70 = 296,174,429.80 : x
  2. Step 2: Convert to fraction form
    542,196,183.40/812,727,404.70 = 296,174,429.80/x
  3. Step 3: Cross multiply
    542,196,183.40x = 812,727,404.70 × 296,174,429.80
  4. Step 4: Simplify right side
    542,196,183.40x = 240,709,075,669,856,352
  5. Step 5: Solve for x
    x = 240,709,075,669,856,352/542,196,183.40
  6. Step 6: Final answer
    x = 443,951,991.99

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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.