Home / 289,666,800.70-434,500,201.05-252,253,354.30

Finding the Fourth Proportional to 289,666,800.70, 434,500,201.05 and 252,253,354.30

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Solution

The fourth proportional to 289,666,800.70, 434,500,201.05 and 252,253,354.30 is: 378,380,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,666,800.70 : 434,500,201.05 = 252,253,354.30 : x
  2. Step 2: Convert to fraction form
    289,666,800.70/434,500,201.05 = 252,253,354.30/x
  3. Step 3: Cross multiply
    289,666,800.70x = 434,500,201.05 × 252,253,354.30
  4. Step 4: Simplify right side
    289,666,800.70x = 109,604,133,158,886,896
  5. Step 5: Solve for x
    x = 109,604,133,158,886,896/289,666,800.70
  6. Step 6: Final answer
    x = 378,380,031.45

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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.