Home / 797,078,928.45-1,100,187,729.25-462,659,189.23

Finding the Fourth Proportional to 797,078,928.45, 1,100,187,729.25 and 462,659,189.23

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Solution

The fourth proportional to 797,078,928.45, 1,100,187,729.25 and 462,659,189.23 is: 638,596,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,078,928.45 : 1,100,187,729.25 = 462,659,189.23 : x
  2. Step 2: Convert to fraction form
    797,078,928.45/1,100,187,729.25 = 462,659,189.23/x
  3. Step 3: Cross multiply
    797,078,928.45x = 1,100,187,729.25 × 462,659,189.23
  4. Step 4: Simplify right side
    797,078,928.45x = 509,011,962,813,573,120
  5. Step 5: Solve for x
    x = 509,011,962,813,573,120/797,078,928.45
  6. Step 6: Final answer
    x = 638,596,686.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.