Home / 1,685,200,456.80-2,527,800,685.20-1,481,127,112.80

Finding the Fourth Proportional to 1,685,200,456.80, 2,527,800,685.20 and 1,481,127,112.80

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Solution

The fourth proportional to 1,685,200,456.80, 2,527,800,685.20 and 1,481,127,112.80 is: 2,221,690,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,200,456.80 : 2,527,800,685.20 = 1,481,127,112.80 : x
  2. Step 2: Convert to fraction form
    1,685,200,456.80/2,527,800,685.20 = 1,481,127,112.80/x
  3. Step 3: Cross multiply
    1,685,200,456.80x = 2,527,800,685.20 × 1,481,127,112.80
  4. Step 4: Simplify right side
    1,685,200,456.80x = 3,743,994,130,604,137,472
  5. Step 5: Solve for x
    x = 3,743,994,130,604,137,472/1,685,200,456.80
  6. Step 6: Final answer
    x = 2,221,690,669.20

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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.