Home / 827,958,027.20-1,241,937,040.80-245,782,126.40

Finding the Fourth Proportional to 827,958,027.20, 1,241,937,040.80 and 245,782,126.40

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Solution

The fourth proportional to 827,958,027.20, 1,241,937,040.80 and 245,782,126.40 is: 368,673,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,958,027.20 : 1,241,937,040.80 = 245,782,126.40 : x
  2. Step 2: Convert to fraction form
    827,958,027.20/1,241,937,040.80 = 245,782,126.40/x
  3. Step 3: Cross multiply
    827,958,027.20x = 1,241,937,040.80 × 245,782,126.40
  4. Step 4: Simplify right side
    827,958,027.20x = 305,245,926,742,747,584
  5. Step 5: Solve for x
    x = 305,245,926,742,747,584/827,958,027.20
  6. Step 6: Final answer
    x = 368,673,189.60

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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.