Home / 65,190,097,805.60-97,785,146,708.40-18,661,375,373.60

Finding the Fourth Proportional to 65,190,097,805.60, 97,785,146,708.40 and 18,661,375,373.60

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Solution

The fourth proportional to 65,190,097,805.60, 97,785,146,708.40 and 18,661,375,373.60 is: 27,992,063,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,097,805.60 : 97,785,146,708.40 = 18,661,375,373.60 : x
  2. Step 2: Convert to fraction form
    65,190,097,805.60/97,785,146,708.40 = 18,661,375,373.60/x
  3. Step 3: Cross multiply
    65,190,097,805.60x = 97,785,146,708.40 × 18,661,375,373.60
  4. Step 4: Simplify right side
    65,190,097,805.60x = 1,824,805,328,687,998,697,472
  5. Step 5: Solve for x
    x = 1,824,805,328,687,998,697,472/65,190,097,805.60
  6. Step 6: Final answer
    x = 27,992,063,060.40

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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.