Home / 671,915,050.40-1,007,872,575.60-187,240,858.40

Finding the Fourth Proportional to 671,915,050.40, 1,007,872,575.60 and 187,240,858.40

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Solution

The fourth proportional to 671,915,050.40, 1,007,872,575.60 and 187,240,858.40 is: 280,861,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,915,050.40 : 1,007,872,575.60 = 187,240,858.40 : x
  2. Step 2: Convert to fraction form
    671,915,050.40/1,007,872,575.60 = 187,240,858.40/x
  3. Step 3: Cross multiply
    671,915,050.40x = 1,007,872,575.60 × 187,240,858.40
  4. Step 4: Simplify right side
    671,915,050.40x = 188,714,926,213,162,912
  5. Step 5: Solve for x
    x = 188,714,926,213,162,912/671,915,050.40
  6. Step 6: Final answer
    x = 280,861,287.60

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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.