Home / 886,143,044.80-1,329,214,567.20-426,978,020.80

Finding the Fourth Proportional to 886,143,044.80, 1,329,214,567.20 and 426,978,020.80

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Solution

The fourth proportional to 886,143,044.80, 1,329,214,567.20 and 426,978,020.80 is: 640,467,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,143,044.80 : 1,329,214,567.20 = 426,978,020.80 : x
  2. Step 2: Convert to fraction form
    886,143,044.80/1,329,214,567.20 = 426,978,020.80/x
  3. Step 3: Cross multiply
    886,143,044.80x = 1,329,214,567.20 × 426,978,020.80
  4. Step 4: Simplify right side
    886,143,044.80x = 567,545,405,121,584,640
  5. Step 5: Solve for x
    x = 567,545,405,121,584,640/886,143,044.80
  6. Step 6: Final answer
    x = 640,467,031.20

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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.