Home / 419,905,169.40-629,857,754.10-370,587,444.60

Finding the Fourth Proportional to 419,905,169.40, 629,857,754.10 and 370,587,444.60

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Solution

The fourth proportional to 419,905,169.40, 629,857,754.10 and 370,587,444.60 is: 555,881,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,169.40 : 629,857,754.10 = 370,587,444.60 : x
  2. Step 2: Convert to fraction form
    419,905,169.40/629,857,754.10 = 370,587,444.60/x
  3. Step 3: Cross multiply
    419,905,169.40x = 629,857,754.10 × 370,587,444.60
  4. Step 4: Simplify right side
    419,905,169.40x = 233,417,375,553,414,208
  5. Step 5: Solve for x
    x = 233,417,375,553,414,208/419,905,169.40
  6. Step 6: Final answer
    x = 555,881,166.90

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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.