Home / 339,251,423.40-508,877,135.10-231,755,999.40

Finding the Fourth Proportional to 339,251,423.40, 508,877,135.10 and 231,755,999.40

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Solution

The fourth proportional to 339,251,423.40, 508,877,135.10 and 231,755,999.40 is: 347,633,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,251,423.40 : 508,877,135.10 = 231,755,999.40 : x
  2. Step 2: Convert to fraction form
    339,251,423.40/508,877,135.10 = 231,755,999.40/x
  3. Step 3: Cross multiply
    339,251,423.40x = 508,877,135.10 × 231,755,999.40
  4. Step 4: Simplify right side
    339,251,423.40x = 117,935,329,016,909,328
  5. Step 5: Solve for x
    x = 117,935,329,016,909,328/339,251,423.40
  6. Step 6: Final answer
    x = 347,633,999.10

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1.5x scale

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.