Home / 512,440,722.03-768,338,085-434,744,835.15

Finding the Fourth Proportional to 512,440,722.03, 768,338,085 and 434,744,835.15

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Solution

The fourth proportional to 512,440,722.03, 768,338,085 and 434,744,835.15 is: 651,843,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,440,722.03 : 768,338,085 = 434,744,835.15 : x
  2. Step 2: Convert to fraction form
    512,440,722.03/768,338,085 = 434,744,835.15/x
  3. Step 3: Cross multiply
    512,440,722.03x = 768,338,085 × 434,744,835.15
  4. Step 4: Simplify right side
    512,440,722.03x = 334,031,014,102,791,680
  5. Step 5: Solve for x
    x = 334,031,014,102,791,680/512,440,722.03
  6. Step 6: Final answer
    x = 651,843,227.41

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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.