Home / 65,192,366,454.36-97,788,427,630.92-20,427,290,130.84

Finding the Fourth Proportional to 65,192,366,454.36, 97,788,427,630.92 and 20,427,290,130.84

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Solution

The fourth proportional to 65,192,366,454.36, 97,788,427,630.92 and 20,427,290,130.84 is: 30,640,896,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,454.36 : 97,788,427,630.92 = 20,427,290,130.84 : x
  2. Step 2: Convert to fraction form
    65,192,366,454.36/97,788,427,630.92 = 20,427,290,130.84/x
  3. Step 3: Cross multiply
    65,192,366,454.36x = 97,788,427,630.92 × 20,427,290,130.84
  4. Step 4: Simplify right side
    65,192,366,454.36x = 1,997,552,582,655,453,691,904
  5. Step 5: Solve for x
    x = 1,997,552,582,655,453,691,904/65,192,366,454.36
  6. Step 6: Final answer
    x = 30,640,896,953.08

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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.