Home / 65,192,366,427.41-97,788,427,590.35-20,427,290,103.89

Finding the Fourth Proportional to 65,192,366,427.41, 97,788,427,590.35 and 20,427,290,103.89

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Solution

The fourth proportional to 65,192,366,427.41, 97,788,427,590.35 and 20,427,290,103.89 is: 30,640,896,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,427.41 : 97,788,427,590.35 = 20,427,290,103.89 : x
  2. Step 2: Convert to fraction form
    65,192,366,427.41/97,788,427,590.35 = 20,427,290,103.89/x
  3. Step 3: Cross multiply
    65,192,366,427.41x = 97,788,427,590.35 × 20,427,290,103.89
  4. Step 4: Simplify right side
    65,192,366,427.41x = 1,997,552,579,190,831,448,064
  5. Step 5: Solve for x
    x = 1,997,552,579,190,831,448,064/65,192,366,427.41
  6. Step 6: Final answer
    x = 30,640,896,912.60

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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.