Home / 648,483,517.08-972,826,052.58-217,762,790.04

Finding the Fourth Proportional to 648,483,517.08, 972,826,052.58 and 217,762,790.04

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Solution

The fourth proportional to 648,483,517.08, 972,826,052.58 and 217,762,790.04 is: 326,678,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,483,517.08 : 972,826,052.58 = 217,762,790.04 : x
  2. Step 2: Convert to fraction form
    648,483,517.08/972,826,052.58 = 217,762,790.04/x
  3. Step 3: Cross multiply
    648,483,517.08x = 972,826,052.58 × 217,762,790.04
  4. Step 4: Simplify right side
    648,483,517.08x = 211,845,315,433,420,544
  5. Step 5: Solve for x
    x = 211,845,315,433,420,544/648,483,517.08
  6. Step 6: Final answer
    x = 326,678,026.28

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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.