Home / 712,124,503.19-1,068,089,787.25-187,449,665.66

Finding the Fourth Proportional to 712,124,503.19, 1,068,089,787.25 and 187,449,665.66

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Solution

The fourth proportional to 712,124,503.19, 1,068,089,787.25 and 187,449,665.66 is: 281,148,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,124,503.19 : 1,068,089,787.25 = 187,449,665.66 : x
  2. Step 2: Convert to fraction form
    712,124,503.19/1,068,089,787.25 = 187,449,665.66/x
  3. Step 3: Cross multiply
    712,124,503.19x = 1,068,089,787.25 × 187,449,665.66
  4. Step 4: Simplify right side
    712,124,503.19x = 200,213,073,509,063,936
  5. Step 5: Solve for x
    x = 200,213,073,509,063,936/712,124,503.19
  6. Step 6: Final answer
    x = 281,148,974.11

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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.