Home / 727,682,179.80-1,091,570,508.90-383,308,411.80

Finding the Fourth Proportional to 727,682,179.80, 1,091,570,508.90 and 383,308,411.80

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Solution

The fourth proportional to 727,682,179.80, 1,091,570,508.90 and 383,308,411.80 is: 574,987,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,682,179.80 : 1,091,570,508.90 = 383,308,411.80 : x
  2. Step 2: Convert to fraction form
    727,682,179.80/1,091,570,508.90 = 383,308,411.80/x
  3. Step 3: Cross multiply
    727,682,179.80x = 1,091,570,508.90 × 383,308,411.80
  4. Step 4: Simplify right side
    727,682,179.80x = 418,408,158,134,176,832
  5. Step 5: Solve for x
    x = 418,408,158,134,176,832/727,682,179.80
  6. Step 6: Final answer
    x = 574,987,501.07

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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.