Home / 770,882,947.45-1,063,819,817.04-418,459,176.90

Finding the Fourth Proportional to 770,882,947.45, 1,063,819,817.04 and 418,459,176.90

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Solution

The fourth proportional to 770,882,947.45, 1,063,819,817.04 and 418,459,176.90 is: 577,474,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,882,947.45 : 1,063,819,817.04 = 418,459,176.90 : x
  2. Step 2: Convert to fraction form
    770,882,947.45/1,063,819,817.04 = 418,459,176.90/x
  3. Step 3: Cross multiply
    770,882,947.45x = 1,063,819,817.04 × 418,459,176.90
  4. Step 4: Simplify right side
    770,882,947.45x = 445,165,165,010,671,872
  5. Step 5: Solve for x
    x = 445,165,165,010,671,872/770,882,947.45
  6. Step 6: Final answer
    x = 577,474,396.71

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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.