Home / 512,139,990.48-768,211,166.64-295,208,136.24

Finding the Fourth Proportional to 512,139,990.48, 768,211,166.64 and 295,208,136.24

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Solution

The fourth proportional to 512,139,990.48, 768,211,166.64 and 295,208,136.24 is: 442,812,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,139,990.48 : 768,211,166.64 = 295,208,136.24 : x
  2. Step 2: Convert to fraction form
    512,139,990.48/768,211,166.64 = 295,208,136.24/x
  3. Step 3: Cross multiply
    512,139,990.48x = 768,211,166.64 × 295,208,136.24
  4. Step 4: Simplify right side
    512,139,990.48x = 226,782,186,742,550,464
  5. Step 5: Solve for x
    x = 226,782,186,742,550,464/512,139,990.48
  6. Step 6: Final answer
    x = 442,812,885.07

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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.