Home / 509,872,951.60-764,809,385.22-141,407,899.08

Finding the Fourth Proportional to 509,872,951.60, 764,809,385.22 and 141,407,899.08

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Solution

The fourth proportional to 509,872,951.60, 764,809,385.22 and 141,407,899.08 is: 212,111,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,872,951.60 : 764,809,385.22 = 141,407,899.08 : x
  2. Step 2: Convert to fraction form
    509,872,951.60/764,809,385.22 = 141,407,899.08/x
  3. Step 3: Cross multiply
    509,872,951.60x = 764,809,385.22 × 141,407,899.08
  4. Step 4: Simplify right side
    509,872,951.60x = 108,150,088,360,626,624
  5. Step 5: Solve for x
    x = 108,150,088,360,626,624/509,872,951.60
  6. Step 6: Final answer
    x = 212,111,836.92

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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.