Home / 513,622,579.50-770,272,028.01-168,495,783.66

Finding the Fourth Proportional to 513,622,579.50, 770,272,028.01 and 168,495,783.66

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Solution

The fourth proportional to 513,622,579.50, 770,272,028.01 and 168,495,783.66 is: 252,690,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,622,579.50 : 770,272,028.01 = 168,495,783.66 : x
  2. Step 2: Convert to fraction form
    513,622,579.50/770,272,028.01 = 168,495,783.66/x
  3. Step 3: Cross multiply
    513,622,579.50x = 770,272,028.01 × 168,495,783.66
  4. Step 4: Simplify right side
    513,622,579.50x = 129,787,588,990,922,416
  5. Step 5: Solve for x
    x = 129,787,588,990,922,416/513,622,579.50
  6. Step 6: Final answer
    x = 252,690,582.87

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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.