Home / 279,936,038.40-419,904,057.60-253,062,182.40

Finding the Fourth Proportional to 279,936,038.40, 419,904,057.60 and 253,062,182.40

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Solution

The fourth proportional to 279,936,038.40, 419,904,057.60 and 253,062,182.40 is: 379,593,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,038.40 : 419,904,057.60 = 253,062,182.40 : x
  2. Step 2: Convert to fraction form
    279,936,038.40/419,904,057.60 = 253,062,182.40/x
  3. Step 3: Cross multiply
    279,936,038.40x = 419,904,057.60 × 253,062,182.40
  4. Step 4: Simplify right side
    279,936,038.40x = 106,261,837,214,871,312
  5. Step 5: Solve for x
    x = 106,261,837,214,871,312/279,936,038.40
  6. Step 6: Final answer
    x = 379,593,273.60

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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.