Home / 831,186,685.44-1,147,038,969.60-459,924,364.80

Finding the Fourth Proportional to 831,186,685.44, 1,147,038,969.60 and 459,924,364.80

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Solution

The fourth proportional to 831,186,685.44, 1,147,038,969.60 and 459,924,364.80 is: 634,696,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,186,685.44 : 1,147,038,969.60 = 459,924,364.80 : x
  2. Step 2: Convert to fraction form
    831,186,685.44/1,147,038,969.60 = 459,924,364.80/x
  3. Step 3: Cross multiply
    831,186,685.44x = 1,147,038,969.60 × 459,924,364.80
  4. Step 4: Simplify right side
    831,186,685.44x = 527,551,169,494,126,464
  5. Step 5: Solve for x
    x = 527,551,169,494,126,464/831,186,685.44
  6. Step 6: Final answer
    x = 634,696,366.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.