Home / 1,072,664,661.83-1,608,128,709.20-335,355,043.70

Finding the Fourth Proportional to 1,072,664,661.83, 1,608,128,709.20 and 335,355,043.70

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Solution

The fourth proportional to 1,072,664,661.83, 1,608,128,709.20 and 335,355,043.70 is: 502,761,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,664,661.83 : 1,608,128,709.20 = 335,355,043.70 : x
  2. Step 2: Convert to fraction form
    1,072,664,661.83/1,608,128,709.20 = 335,355,043.70/x
  3. Step 3: Cross multiply
    1,072,664,661.83x = 1,608,128,709.20 × 335,355,043.70
  4. Step 4: Simplify right side
    1,072,664,661.83x = 539,294,073,539,273,152
  5. Step 5: Solve for x
    x = 539,294,073,539,273,152/1,072,664,661.83
  6. Step 6: Final answer
    x = 502,761,107.67

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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.