Home / 797,147,754.40-1,195,910,588.40-409,030,487.20

Finding the Fourth Proportional to 797,147,754.40, 1,195,910,588.40 and 409,030,487.20

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Solution

The fourth proportional to 797,147,754.40, 1,195,910,588.40 and 409,030,487.20 is: 613,642,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,147,754.40 : 1,195,910,588.40 = 409,030,487.20 : x
  2. Step 2: Convert to fraction form
    797,147,754.40/1,195,910,588.40 = 409,030,487.20/x
  3. Step 3: Cross multiply
    797,147,754.40x = 1,195,910,588.40 × 409,030,487.20
  4. Step 4: Simplify right side
    797,147,754.40x = 489,163,890,620,890,688
  5. Step 5: Solve for x
    x = 489,163,890,620,890,688/797,147,754.40
  6. Step 6: Final answer
    x = 613,642,687.85

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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.