Home / 30,335,591,693.80-45,503,387,540.70-18,580,967,079.40

Finding the Fourth Proportional to 30,335,591,693.80, 45,503,387,540.70 and 18,580,967,079.40

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Solution

The fourth proportional to 30,335,591,693.80, 45,503,387,540.70 and 18,580,967,079.40 is: 27,871,450,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,591,693.80 : 45,503,387,540.70 = 18,580,967,079.40 : x
  2. Step 2: Convert to fraction form
    30,335,591,693.80/45,503,387,540.70 = 18,580,967,079.40/x
  3. Step 3: Cross multiply
    30,335,591,693.80x = 45,503,387,540.70 × 18,580,967,079.40
  4. Step 4: Simplify right side
    30,335,591,693.80x = 845,496,945,894,926,843,904
  5. Step 5: Solve for x
    x = 845,496,945,894,926,843,904/30,335,591,693.80
  6. Step 6: Final answer
    x = 27,871,450,619.10

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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.