Home / 2,125,771,873.80-3,188,657,810.70-2,039,678,431.80

Finding the Fourth Proportional to 2,125,771,873.80, 3,188,657,810.70 and 2,039,678,431.80

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Solution

The fourth proportional to 2,125,771,873.80, 3,188,657,810.70 and 2,039,678,431.80 is: 3,059,517,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,771,873.80 : 3,188,657,810.70 = 2,039,678,431.80 : x
  2. Step 2: Convert to fraction form
    2,125,771,873.80/3,188,657,810.70 = 2,039,678,431.80/x
  3. Step 3: Cross multiply
    2,125,771,873.80x = 3,188,657,810.70 × 2,039,678,431.80
  4. Step 4: Simplify right side
    2,125,771,873.80x = 6,503,836,562,875,397,120
  5. Step 5: Solve for x
    x = 6,503,836,562,875,397,120/2,125,771,873.80
  6. Step 6: Final answer
    x = 3,059,517,647.70

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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.