Home / 1,398,387,660.60-2,097,581,490.90-881,401,855.80

Finding the Fourth Proportional to 1,398,387,660.60, 2,097,581,490.90 and 881,401,855.80

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Solution

The fourth proportional to 1,398,387,660.60, 2,097,581,490.90 and 881,401,855.80 is: 1,322,102,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,387,660.60 : 2,097,581,490.90 = 881,401,855.80 : x
  2. Step 2: Convert to fraction form
    1,398,387,660.60/2,097,581,490.90 = 881,401,855.80/x
  3. Step 3: Cross multiply
    1,398,387,660.60x = 2,097,581,490.90 × 881,401,855.80
  4. Step 4: Simplify right side
    1,398,387,660.60x = 1,848,812,218,770,990,848
  5. Step 5: Solve for x
    x = 1,848,812,218,770,990,848/1,398,387,660.60
  6. Step 6: Final answer
    x = 1,322,102,783.70

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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.