Home / 434,170,371,621.40-651,231,989,273.90-131,959,411,968

Finding the Fourth Proportional to 434,170,371,621.40, 651,231,989,273.90 and 131,959,411,968

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Solution

The fourth proportional to 434,170,371,621.40, 651,231,989,273.90 and 131,959,411,968 is: 197,931,954,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,170,371,621.40 : 651,231,989,273.90 = 131,959,411,968 : x
  2. Step 2: Convert to fraction form
    434,170,371,621.40/651,231,989,273.90 = 131,959,411,968/x
  3. Step 3: Cross multiply
    434,170,371,621.40x = 651,231,989,273.90 × 131,959,411,968
  4. Step 4: Simplify right side
    434,170,371,621.40x = 85,936,190,359,334,729,809,920
  5. Step 5: Solve for x
    x = 85,936,190,359,334,729,809,920/434,170,371,621.40
  6. Step 6: Final answer
    x = 197,931,954,772.52

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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.