Home / 291,072,001.05-436,608,001.58-239,415,935.85

Finding the Fourth Proportional to 291,072,001.05, 436,608,001.58 and 239,415,935.85

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Solution

The fourth proportional to 291,072,001.05, 436,608,001.58 and 239,415,935.85 is: 359,123,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,072,001.05 : 436,608,001.58 = 239,415,935.85 : x
  2. Step 2: Convert to fraction form
    291,072,001.05/436,608,001.58 = 239,415,935.85/x
  3. Step 3: Cross multiply
    291,072,001.05x = 436,608,001.58 × 239,415,935.85
  4. Step 4: Simplify right side
    291,072,001.05x = 104,530,913,296,676,896
  5. Step 5: Solve for x
    x = 104,530,913,296,676,896/291,072,001.05
  6. Step 6: Final answer
    x = 359,123,903.78

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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.