Home / 426,104,244.99-639,340,498.89-229,137,442.02

Finding the Fourth Proportional to 426,104,244.99, 639,340,498.89 and 229,137,442.02

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Solution

The fourth proportional to 426,104,244.99, 639,340,498.89 and 229,137,442.02 is: 343,805,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,104,244.99 : 639,340,498.89 = 229,137,442.02 : x
  2. Step 2: Convert to fraction form
    426,104,244.99/639,340,498.89 = 229,137,442.02/x
  3. Step 3: Cross multiply
    426,104,244.99x = 639,340,498.89 × 229,137,442.02
  4. Step 4: Simplify right side
    426,104,244.99x = 146,496,846,495,445,248
  5. Step 5: Solve for x
    x = 146,496,846,495,445,248/426,104,244.99
  6. Step 6: Final answer
    x = 343,805,179.64

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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.