Home / 65,192,366,708.94-97,788,428,006.94-20,427,290,381.64

Finding the Fourth Proportional to 65,192,366,708.94, 97,788,428,006.94 and 20,427,290,381.64

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Solution

The fourth proportional to 65,192,366,708.94, 97,788,428,006.94 and 20,427,290,381.64 is: 30,640,897,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,708.94 : 97,788,428,006.94 = 20,427,290,381.64 : x
  2. Step 2: Convert to fraction form
    65,192,366,708.94/97,788,428,006.94 = 20,427,290,381.64/x
  3. Step 3: Cross multiply
    65,192,366,708.94x = 97,788,428,006.94 × 20,427,290,381.64
  4. Step 4: Simplify right side
    65,192,366,708.94x = 1,997,552,614,861,372,129,280
  5. Step 5: Solve for x
    x = 1,997,552,614,861,372,129,280/65,192,366,708.94
  6. Step 6: Final answer
    x = 30,640,897,327.44

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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.