Home / 2,219,198,363.80-3,061,332,666.04-1,372,154,918.92

Finding the Fourth Proportional to 2,219,198,363.80, 3,061,332,666.04 and 1,372,154,918.92

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Solution

The fourth proportional to 2,219,198,363.80, 3,061,332,666.04 and 1,372,154,918.92 is: 1,892,855,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,198,363.80 : 3,061,332,666.04 = 1,372,154,918.92 : x
  2. Step 2: Convert to fraction form
    2,219,198,363.80/3,061,332,666.04 = 1,372,154,918.92/x
  3. Step 3: Cross multiply
    2,219,198,363.80x = 3,061,332,666.04 × 1,372,154,918.92
  4. Step 4: Simplify right side
    2,219,198,363.80x = 4,200,622,676,157,263,872
  5. Step 5: Solve for x
    x = 4,200,622,676,157,263,872/2,219,198,363.80
  6. Step 6: Final answer
    x = 1,892,855,881.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.