Home / 1,398,385,234.60-2,097,577,851.90-881,399,429.80

Finding the Fourth Proportional to 1,398,385,234.60, 2,097,577,851.90 and 881,399,429.80

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Solution

The fourth proportional to 1,398,385,234.60, 2,097,577,851.90 and 881,399,429.80 is: 1,322,099,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,385,234.60 : 2,097,577,851.90 = 881,399,429.80 : x
  2. Step 2: Convert to fraction form
    1,398,385,234.60/2,097,577,851.90 = 881,399,429.80/x
  3. Step 3: Cross multiply
    1,398,385,234.60x = 2,097,577,851.90 × 881,399,429.80
  4. Step 4: Simplify right side
    1,398,385,234.60x = 1,848,803,922,625,768,704
  5. Step 5: Solve for x
    x = 1,848,803,922,625,768,704/1,398,385,234.60
  6. Step 6: Final answer
    x = 1,322,099,144.70

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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.