Home / 543,106,532.40-814,659,798.60-198,071,415.60

Finding the Fourth Proportional to 543,106,532.40, 814,659,798.60 and 198,071,415.60

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Solution

The fourth proportional to 543,106,532.40, 814,659,798.60 and 198,071,415.60 is: 297,107,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,106,532.40 : 814,659,798.60 = 198,071,415.60 : x
  2. Step 2: Convert to fraction form
    543,106,532.40/814,659,798.60 = 198,071,415.60/x
  3. Step 3: Cross multiply
    543,106,532.40x = 814,659,798.60 × 198,071,415.60
  4. Step 4: Simplify right side
    543,106,532.40x = 161,360,819,541,112,896
  5. Step 5: Solve for x
    x = 161,360,819,541,112,896/543,106,532.40
  6. Step 6: Final answer
    x = 297,107,123.40

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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.