Home / 868,705,429.29-1,198,804,975.62-472,204,827.95

Finding the Fourth Proportional to 868,705,429.29, 1,198,804,975.62 and 472,204,827.95

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Solution

The fourth proportional to 868,705,429.29, 1,198,804,975.62 and 472,204,827.95 is: 651,638,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,705,429.29 : 1,198,804,975.62 = 472,204,827.95 : x
  2. Step 2: Convert to fraction form
    868,705,429.29/1,198,804,975.62 = 472,204,827.95/x
  3. Step 3: Cross multiply
    868,705,429.29x = 1,198,804,975.62 × 472,204,827.95
  4. Step 4: Simplify right side
    868,705,429.29x = 566,081,497,252,251,968
  5. Step 5: Solve for x
    x = 566,081,497,252,251,968/868,705,429.29
  6. Step 6: Final answer
    x = 651,638,033.06

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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.