Home / 57,360,661,723.12-79,157,789,430.96-31,639,364,816.80

Finding the Fourth Proportional to 57,360,661,723.12, 79,157,789,430.96 and 31,639,364,816.80

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Solution

The fourth proportional to 57,360,661,723.12, 79,157,789,430.96 and 31,639,364,816.80 is: 43,662,365,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,360,661,723.12 : 79,157,789,430.96 = 31,639,364,816.80 : x
  2. Step 2: Convert to fraction form
    57,360,661,723.12/79,157,789,430.96 = 31,639,364,816.80/x
  3. Step 3: Cross multiply
    57,360,661,723.12x = 79,157,789,430.96 × 31,639,364,816.80
  4. Step 4: Simplify right side
    57,360,661,723.12x = 2,504,502,177,897,579,020,288
  5. Step 5: Solve for x
    x = 2,504,502,177,897,579,020,288/57,360,661,723.12
  6. Step 6: Final answer
    x = 43,662,365,507.34

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Double scale
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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.