Home / 379,538,423.10-569,307,634.65-226,357,443.90

Finding the Fourth Proportional to 379,538,423.10, 569,307,634.65 and 226,357,443.90

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Solution

The fourth proportional to 379,538,423.10, 569,307,634.65 and 226,357,443.90 is: 339,536,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,538,423.10 : 569,307,634.65 = 226,357,443.90 : x
  2. Step 2: Convert to fraction form
    379,538,423.10/569,307,634.65 = 226,357,443.90/x
  3. Step 3: Cross multiply
    379,538,423.10x = 569,307,634.65 × 226,357,443.90
  4. Step 4: Simplify right side
    379,538,423.10x = 128,867,020,972,129,072
  5. Step 5: Solve for x
    x = 128,867,020,972,129,072/379,538,423.10
  6. Step 6: Final answer
    x = 339,536,165.85

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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.