Home / 554,761,887.03-765,202,689.66-356,773,837.71

Finding the Fourth Proportional to 554,761,887.03, 765,202,689.66 and 356,773,837.71

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Solution

The fourth proportional to 554,761,887.03, 765,202,689.66 and 356,773,837.71 is: 492,110,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,761,887.03 : 765,202,689.66 = 356,773,837.71 : x
  2. Step 2: Convert to fraction form
    554,761,887.03/765,202,689.66 = 356,773,837.71/x
  3. Step 3: Cross multiply
    554,761,887.03x = 765,202,689.66 × 356,773,837.71
  4. Step 4: Simplify right side
    554,761,887.03x = 273,004,300,216,012,320
  5. Step 5: Solve for x
    x = 273,004,300,216,012,320/554,761,887.03
  6. Step 6: Final answer
    x = 492,110,771.48

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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.