Home / 297,310,497.40-445,965,746.10-219,826,399.60

Finding the Fourth Proportional to 297,310,497.40, 445,965,746.10 and 219,826,399.60

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Solution

The fourth proportional to 297,310,497.40, 445,965,746.10 and 219,826,399.60 is: 329,739,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,310,497.40 : 445,965,746.10 = 219,826,399.60 : x
  2. Step 2: Convert to fraction form
    297,310,497.40/445,965,746.10 = 219,826,399.60/x
  3. Step 3: Cross multiply
    297,310,497.40x = 445,965,746.10 × 219,826,399.60
  4. Step 4: Simplify right side
    297,310,497.40x = 98,035,044,310,090,752
  5. Step 5: Solve for x
    x = 98,035,044,310,090,752/297,310,497.40
  6. Step 6: Final answer
    x = 329,739,599.40

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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.