Home / 469,371,014.20-704,150,999.70-393,221,423.80

Finding the Fourth Proportional to 469,371,014.20, 704,150,999.70 and 393,221,423.80

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Solution

The fourth proportional to 469,371,014.20, 704,150,999.70 and 393,221,423.80 is: 589,911,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,371,014.20 : 704,150,999.70 = 393,221,423.80 : x
  2. Step 2: Convert to fraction form
    469,371,014.20/704,150,999.70 = 393,221,423.80/x
  3. Step 3: Cross multiply
    469,371,014.20x = 704,150,999.70 × 393,221,423.80
  4. Step 4: Simplify right side
    469,371,014.20x = 276,887,258,672,227,392
  5. Step 5: Solve for x
    x = 276,887,258,672,227,392/469,371,014.20
  6. Step 6: Final answer
    x = 589,911,286.16

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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.