Home / 65,190,097,941.60-97,785,146,912.40-18,661,375,509.60

Finding the Fourth Proportional to 65,190,097,941.60, 97,785,146,912.40 and 18,661,375,509.60

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Solution

The fourth proportional to 65,190,097,941.60, 97,785,146,912.40 and 18,661,375,509.60 is: 27,992,063,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,097,941.60 : 97,785,146,912.40 = 18,661,375,509.60 : x
  2. Step 2: Convert to fraction form
    65,190,097,941.60/97,785,146,912.40 = 18,661,375,509.60/x
  3. Step 3: Cross multiply
    65,190,097,941.60x = 97,785,146,912.40 × 18,661,375,509.60
  4. Step 4: Simplify right side
    65,190,097,941.60x = 1,824,805,345,793,699,217,408
  5. Step 5: Solve for x
    x = 1,824,805,345,793,699,217,408/65,190,097,941.60
  6. Step 6: Final answer
    x = 27,992,063,264.40

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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.