Home / 704,190,914.90-1,056,281,123.55-212,903,234.90

Finding the Fourth Proportional to 704,190,914.90, 1,056,281,123.55 and 212,903,234.90

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Solution

The fourth proportional to 704,190,914.90, 1,056,281,123.55 and 212,903,234.90 is: 319,353,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,190,914.90 : 1,056,281,123.55 = 212,903,234.90 : x
  2. Step 2: Convert to fraction form
    704,190,914.90/1,056,281,123.55 = 212,903,234.90/x
  3. Step 3: Cross multiply
    704,190,914.90x = 1,056,281,123.55 × 212,903,234.90
  4. Step 4: Simplify right side
    704,190,914.90x = 224,885,668,167,601,568
  5. Step 5: Solve for x
    x = 224,885,668,167,601,568/704,190,914.90
  6. Step 6: Final answer
    x = 319,353,265.44

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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.