Home / 746,910,212.40-1,119,609,491.40-440,044,369.20

Finding the Fourth Proportional to 746,910,212.40, 1,119,609,491.40 and 440,044,369.20

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Solution

The fourth proportional to 746,910,212.40, 1,119,609,491.40 and 440,044,369.20 is: 659,621,255.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,910,212.40 : 1,119,609,491.40 = 440,044,369.20 : x
  2. Step 2: Convert to fraction form
    746,910,212.40/1,119,609,491.40 = 440,044,369.20/x
  3. Step 3: Cross multiply
    746,910,212.40x = 1,119,609,491.40 × 440,044,369.20
  4. Step 4: Simplify right side
    746,910,212.40x = 492,677,852,393,445,824
  5. Step 5: Solve for x
    x = 492,677,852,393,445,824/746,910,212.40
  6. Step 6: Final answer
    x = 659,621,255.96

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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.