Home / 1,625,035,517.89-2,436,784,878.03-629,522,818.45

Finding the Fourth Proportional to 1,625,035,517.89, 2,436,784,878.03 and 629,522,818.45

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Solution

The fourth proportional to 1,625,035,517.89, 2,436,784,878.03 and 629,522,818.45 is: 943,986,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,035,517.89 : 2,436,784,878.03 = 629,522,818.45 : x
  2. Step 2: Convert to fraction form
    1,625,035,517.89/2,436,784,878.03 = 629,522,818.45/x
  3. Step 3: Cross multiply
    1,625,035,517.89x = 2,436,784,878.03 × 629,522,818.45
  4. Step 4: Simplify right side
    1,625,035,517.89x = 1,534,011,684,376,830,976
  5. Step 5: Solve for x
    x = 1,534,011,684,376,830,976/1,625,035,517.89
  6. Step 6: Final answer
    x = 943,986,557.52

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Double scale
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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.