Home / 511,167,173.54-705,290,555.40-310,219,593.98

Finding the Fourth Proportional to 511,167,173.54, 705,290,555.40 and 310,219,593.98

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Solution

The fourth proportional to 511,167,173.54, 705,290,555.40 and 310,219,593.98 is: 428,030,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,167,173.54 : 705,290,555.40 = 310,219,593.98 : x
  2. Step 2: Convert to fraction form
    511,167,173.54/705,290,555.40 = 310,219,593.98/x
  3. Step 3: Cross multiply
    511,167,173.54x = 705,290,555.40 × 310,219,593.98
  4. Step 4: Simplify right side
    511,167,173.54x = 218,794,949,730,590,240
  5. Step 5: Solve for x
    x = 218,794,949,730,590,240/511,167,173.54
  6. Step 6: Final answer
    x = 428,030,126.07

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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.