Home / 648,463,650.26-972,755,271.41-211,766,623.20

Finding the Fourth Proportional to 648,463,650.26, 972,755,271.41 and 211,766,623.20

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Solution

The fourth proportional to 648,463,650.26, 972,755,271.41 and 211,766,623.20 is: 317,669,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,463,650.26 : 972,755,271.41 = 211,766,623.20 : x
  2. Step 2: Convert to fraction form
    648,463,650.26/972,755,271.41 = 211,766,623.20/x
  3. Step 3: Cross multiply
    648,463,650.26x = 972,755,271.41 × 211,766,623.20
  4. Step 4: Simplify right side
    648,463,650.26x = 205,997,099,025,436,352
  5. Step 5: Solve for x
    x = 205,997,099,025,436,352/648,463,650.26
  6. Step 6: Final answer
    x = 317,669,462.19

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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.