Home / 578,584,906.35-798,453,624.60-340,482,717.15

Finding the Fourth Proportional to 578,584,906.35, 798,453,624.60 and 340,482,717.15

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Solution

The fourth proportional to 578,584,906.35, 798,453,624.60 and 340,482,717.15 is: 469,869,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,584,906.35 : 798,453,624.60 = 340,482,717.15 : x
  2. Step 2: Convert to fraction form
    578,584,906.35/798,453,624.60 = 340,482,717.15/x
  3. Step 3: Cross multiply
    578,584,906.35x = 798,453,624.60 × 340,482,717.15
  4. Step 4: Simplify right side
    578,584,906.35x = 271,859,659,622,074,080
  5. Step 5: Solve for x
    x = 271,859,659,622,074,080/578,584,906.35
  6. Step 6: Final answer
    x = 469,869,947.59

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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.