Home / 674,028,005.20-1,011,042,007.80-189,353,813.20

Finding the Fourth Proportional to 674,028,005.20, 1,011,042,007.80 and 189,353,813.20

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Solution

The fourth proportional to 674,028,005.20, 1,011,042,007.80 and 189,353,813.20 is: 284,030,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,028,005.20 : 1,011,042,007.80 = 189,353,813.20 : x
  2. Step 2: Convert to fraction form
    674,028,005.20/1,011,042,007.80 = 189,353,813.20/x
  3. Step 3: Cross multiply
    674,028,005.20x = 1,011,042,007.80 × 189,353,813.20
  4. Step 4: Simplify right side
    674,028,005.20x = 191,444,659,482,314,112
  5. Step 5: Solve for x
    x = 191,444,659,482,314,112/674,028,005.20
  6. Step 6: Final answer
    x = 284,030,719.80

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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.