Home / 712,055,428.40-1,068,272,099.40-251,945,620.40

Finding the Fourth Proportional to 712,055,428.40, 1,068,272,099.40 and 251,945,620.40

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Solution

The fourth proportional to 712,055,428.40, 1,068,272,099.40 and 251,945,620.40 is: 377,985,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,055,428.40 : 1,068,272,099.40 = 251,945,620.40 : x
  2. Step 2: Convert to fraction form
    712,055,428.40/1,068,272,099.40 = 251,945,620.40/x
  3. Step 3: Cross multiply
    712,055,428.40x = 1,068,272,099.40 × 251,945,620.40
  4. Step 4: Simplify right side
    712,055,428.40x = 269,146,476,839,343,456
  5. Step 5: Solve for x
    x = 269,146,476,839,343,456/712,055,428.40
  6. Step 6: Final answer
    x = 377,985,288.93

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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.