Home / 644,379,627.20-967,073,325.60-299,376,003.20

Finding the Fourth Proportional to 644,379,627.20, 967,073,325.60 and 299,376,003.20

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Solution

The fourth proportional to 644,379,627.20, 967,073,325.60 and 299,376,003.20 is: 449,298,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,379,627.20 : 967,073,325.60 = 299,376,003.20 : x
  2. Step 2: Convert to fraction form
    644,379,627.20/967,073,325.60 = 299,376,003.20/x
  3. Step 3: Cross multiply
    644,379,627.20x = 967,073,325.60 × 299,376,003.20
  4. Step 4: Simplify right side
    644,379,627.20x = 289,518,547,019,460,224
  5. Step 5: Solve for x
    x = 289,518,547,019,460,224/644,379,627.20
  6. Step 6: Final answer
    x = 449,298,107.51

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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.