Home / 42,292,473,961.22-63,464,804,496.92-19,598,598,040.32

Finding the Fourth Proportional to 42,292,473,961.22, 63,464,804,496.92 and 19,598,598,040.32

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Solution

The fourth proportional to 42,292,473,961.22, 63,464,804,496.92 and 19,598,598,040.32 is: 29,409,988,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,292,473,961.22 : 63,464,804,496.92 = 19,598,598,040.32 : x
  2. Step 2: Convert to fraction form
    42,292,473,961.22/63,464,804,496.92 = 19,598,598,040.32/x
  3. Step 3: Cross multiply
    42,292,473,961.22x = 63,464,804,496.92 × 19,598,598,040.32
  4. Step 4: Simplify right side
    42,292,473,961.22x = 1,243,821,193,042,628,182,016
  5. Step 5: Solve for x
    x = 1,243,821,193,042,628,182,016/42,292,473,961.22
  6. Step 6: Final answer
    x = 29,409,988,977.78

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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.