Home / 518,673,130.86-778,064,184-168,946,452.54

Finding the Fourth Proportional to 518,673,130.86, 778,064,184 and 168,946,452.54

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Solution

The fourth proportional to 518,673,130.86, 778,064,184 and 168,946,452.54 is: 253,437,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,673,130.86 : 778,064,184 = 168,946,452.54 : x
  2. Step 2: Convert to fraction form
    518,673,130.86/778,064,184 = 168,946,452.54/x
  3. Step 3: Cross multiply
    518,673,130.86x = 778,064,184 × 168,946,452.54
  4. Step 4: Simplify right side
    518,673,130.86x = 131,451,183,735,229,824
  5. Step 5: Solve for x
    x = 131,451,183,735,229,824/518,673,130.86
  6. Step 6: Final answer
    x = 253,437,426.99

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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.