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Finding the Fourth Proportional to 65,190,287,459.80, 97,785,431,189.70 and 65,190,287,459.80

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Solution

The fourth proportional to 65,190,287,459.80, 97,785,431,189.70 and 65,190,287,459.80 is: 97,785,431,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,287,459.80 : 97,785,431,189.70 = 65,190,287,459.80 : x
  2. Step 2: Convert to fraction form
    65,190,287,459.80/97,785,431,189.70 = 65,190,287,459.80/x
  3. Step 3: Cross multiply
    65,190,287,459.80x = 97,785,431,189.70 × 65,190,287,459.80
  4. Step 4: Simplify right side
    65,190,287,459.80x = 6,374,660,368,637,036,068,864
  5. Step 5: Solve for x
    x = 6,374,660,368,637,036,068,864/65,190,287,459.80
  6. Step 6: Final answer
    x = 97,785,431,189.70

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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.