Home / 868,705,422.17-1,198,804,965.81-472,204,820.82

Finding the Fourth Proportional to 868,705,422.17, 1,198,804,965.81 and 472,204,820.82

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Solution

The fourth proportional to 868,705,422.17, 1,198,804,965.81 and 472,204,820.82 is: 651,638,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,705,422.17 : 1,198,804,965.81 = 472,204,820.82 : x
  2. Step 2: Convert to fraction form
    868,705,422.17/1,198,804,965.81 = 472,204,820.82/x
  3. Step 3: Cross multiply
    868,705,422.17x = 1,198,804,965.81 × 472,204,820.82
  4. Step 4: Simplify right side
    868,705,422.17x = 566,081,484,077,804,992
  5. Step 5: Solve for x
    x = 566,081,484,077,804,992/868,705,422.17
  6. Step 6: Final answer
    x = 651,638,023.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.