Home / 284,539,123.40-425,639,514.88-227,143,495.40

Finding the Fourth Proportional to 284,539,123.40, 425,639,514.88 and 227,143,495.40

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Solution

The fourth proportional to 284,539,123.40, 425,639,514.88 and 227,143,495.40 is: 339,781,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,539,123.40 : 425,639,514.88 = 227,143,495.40 : x
  2. Step 2: Convert to fraction form
    284,539,123.40/425,639,514.88 = 227,143,495.40/x
  3. Step 3: Cross multiply
    284,539,123.40x = 425,639,514.88 × 227,143,495.40
  4. Step 4: Simplify right side
    284,539,123.40x = 96,681,247,190,203,520
  5. Step 5: Solve for x
    x = 96,681,247,190,203,520/284,539,123.40
  6. Step 6: Final answer
    x = 339,781,911.31

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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.