Home / 543,545,917.40-750,101,995.14-308,591,783.48

Finding the Fourth Proportional to 543,545,917.40, 750,101,995.14 and 308,591,783.48

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Solution

The fourth proportional to 543,545,917.40, 750,101,995.14 and 308,591,783.48 is: 425,861,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,545,917.40 : 750,101,995.14 = 308,591,783.48 : x
  2. Step 2: Convert to fraction form
    543,545,917.40/750,101,995.14 = 308,591,783.48/x
  3. Step 3: Cross multiply
    543,545,917.40x = 750,101,995.14 × 308,591,783.48
  4. Step 4: Simplify right side
    543,545,917.40x = 231,475,312,472,158,912
  5. Step 5: Solve for x
    x = 231,475,312,472,158,912/543,545,917.40
  6. Step 6: Final answer
    x = 425,861,560.29

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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.