Home / 698,743,584,160.80-1,048,115,376,241.20-691,777,880,685.60

Finding the Fourth Proportional to 698,743,584,160.80, 1,048,115,376,241.20 and 691,777,880,685.60

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Solution

The fourth proportional to 698,743,584,160.80, 1,048,115,376,241.20 and 691,777,880,685.60 is: 1,037,666,821,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,743,584,160.80 : 1,048,115,376,241.20 = 691,777,880,685.60 : x
  2. Step 2: Convert to fraction form
    698,743,584,160.80/1,048,115,376,241.20 = 691,777,880,685.60/x
  3. Step 3: Cross multiply
    698,743,584,160.80x = 1,048,115,376,241.20 × 691,777,880,685.60
  4. Step 4: Simplify right side
    698,743,584,160.80x = 725,063,033,690,127,519,973,376
  5. Step 5: Solve for x
    x = 725,063,033,690,127,519,973,376/698,743,584,160.80
  6. Step 6: Final answer
    x = 1,037,666,821,028.40

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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.