Home / 6,478,206,663.51-8,939,923,017.03-3,507,982,914.51

Finding the Fourth Proportional to 6,478,206,663.51, 8,939,923,017.03 and 3,507,982,914.51

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Solution

The fourth proportional to 6,478,206,663.51, 8,939,923,017.03 and 3,507,982,914.51 is: 4,841,015,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,206,663.51 : 8,939,923,017.03 = 3,507,982,914.51 : x
  2. Step 2: Convert to fraction form
    6,478,206,663.51/8,939,923,017.03 = 3,507,982,914.51/x
  3. Step 3: Cross multiply
    6,478,206,663.51x = 8,939,923,017.03 × 3,507,982,914.51
  4. Step 4: Simplify right side
    6,478,206,663.51x = 31,361,097,200,775,938,048
  5. Step 5: Solve for x
    x = 31,361,097,200,775,938,048/6,478,206,663.51
  6. Step 6: Final answer
    x = 4,841,015,242.29

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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.