Home / 868,705,432.29-1,198,804,979.76-472,204,830.96

Finding the Fourth Proportional to 868,705,432.29, 1,198,804,979.76 and 472,204,830.96

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Solution

The fourth proportional to 868,705,432.29, 1,198,804,979.76 and 472,204,830.96 is: 651,638,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,705,432.29 : 1,198,804,979.76 = 472,204,830.96 : x
  2. Step 2: Convert to fraction form
    868,705,432.29/1,198,804,979.76 = 472,204,830.96/x
  3. Step 3: Cross multiply
    868,705,432.29x = 1,198,804,979.76 × 472,204,830.96
  4. Step 4: Simplify right side
    868,705,432.29x = 566,081,502,821,576,960
  5. Step 5: Solve for x
    x = 566,081,502,821,576,960/868,705,432.29
  6. Step 6: Final answer
    x = 651,638,037.22

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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.