Home / 971,305,051.80-1,456,957,577.70-661,368,660.60

Finding the Fourth Proportional to 971,305,051.80, 1,456,957,577.70 and 661,368,660.60

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Solution

The fourth proportional to 971,305,051.80, 1,456,957,577.70 and 661,368,660.60 is: 992,052,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,305,051.80 : 1,456,957,577.70 = 661,368,660.60 : x
  2. Step 2: Convert to fraction form
    971,305,051.80/1,456,957,577.70 = 661,368,660.60/x
  3. Step 3: Cross multiply
    971,305,051.80x = 1,456,957,577.70 × 661,368,660.60
  4. Step 4: Simplify right side
    971,305,051.80x = 963,586,081,714,469,504
  5. Step 5: Solve for x
    x = 963,586,081,714,469,504/971,305,051.80
  6. Step 6: Final answer
    x = 992,052,990.90

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Double scale
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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.