Home / 674,028,009.70-1,011,042,014.55-189,353,817.70

Finding the Fourth Proportional to 674,028,009.70, 1,011,042,014.55 and 189,353,817.70

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Solution

The fourth proportional to 674,028,009.70, 1,011,042,014.55 and 189,353,817.70 is: 284,030,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,028,009.70 : 1,011,042,014.55 = 189,353,817.70 : x
  2. Step 2: Convert to fraction form
    674,028,009.70/1,011,042,014.55 = 189,353,817.70/x
  3. Step 3: Cross multiply
    674,028,009.70x = 1,011,042,014.55 × 189,353,817.70
  4. Step 4: Simplify right side
    674,028,009.70x = 191,444,665,310,141,440
  5. Step 5: Solve for x
    x = 191,444,665,310,141,440/674,028,009.70
  6. Step 6: Final answer
    x = 284,030,726.55

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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.