Home / 297,826,286.40-446,739,429.60-221,298,782.40

Finding the Fourth Proportional to 297,826,286.40, 446,739,429.60 and 221,298,782.40

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Solution

The fourth proportional to 297,826,286.40, 446,739,429.60 and 221,298,782.40 is: 331,948,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,826,286.40 : 446,739,429.60 = 221,298,782.40 : x
  2. Step 2: Convert to fraction form
    297,826,286.40/446,739,429.60 = 221,298,782.40/x
  3. Step 3: Cross multiply
    297,826,286.40x = 446,739,429.60 × 221,298,782.40
  4. Step 4: Simplify right side
    297,826,286.40x = 98,862,891,820,550,528
  5. Step 5: Solve for x
    x = 98,862,891,820,550,528/297,826,286.40
  6. Step 6: Final answer
    x = 331,948,173.60

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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.