Home / 1,003,241,995.20-1,504,862,992.80-654,563,555.10

Finding the Fourth Proportional to 1,003,241,995.20, 1,504,862,992.80 and 654,563,555.10

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Solution

The fourth proportional to 1,003,241,995.20, 1,504,862,992.80 and 654,563,555.10 is: 981,845,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,241,995.20 : 1,504,862,992.80 = 654,563,555.10 : x
  2. Step 2: Convert to fraction form
    1,003,241,995.20/1,504,862,992.80 = 654,563,555.10/x
  3. Step 3: Cross multiply
    1,003,241,995.20x = 1,504,862,992.80 × 654,563,555.10
  4. Step 4: Simplify right side
    1,003,241,995.20x = 985,028,470,505,593,728
  5. Step 5: Solve for x
    x = 985,028,470,505,593,728/1,003,241,995.20
  6. Step 6: Final answer
    x = 981,845,332.65

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Half scale
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Double scale
Find fourth proportional to 1,003,241,996.20, 1,504,862,994.30 and 654,563,556.10
Similar ratio
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1.5x scale

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.