Home / 714,897,912.33-1,072,408,428.50-197,328,440.97

Finding the Fourth Proportional to 714,897,912.33, 1,072,408,428.50 and 197,328,440.97

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Solution

The fourth proportional to 714,897,912.33, 1,072,408,428.50 and 197,328,440.97 is: 296,009,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,897,912.33 : 1,072,408,428.50 = 197,328,440.97 : x
  2. Step 2: Convert to fraction form
    714,897,912.33/1,072,408,428.50 = 197,328,440.97/x
  3. Step 3: Cross multiply
    714,897,912.33x = 1,072,408,428.50 × 197,328,440.97
  4. Step 4: Simplify right side
    714,897,912.33x = 211,616,683,278,006,080
  5. Step 5: Solve for x
    x = 211,616,683,278,006,080/714,897,912.33
  6. Step 6: Final answer
    x = 296,009,653.45

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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.