Home / 1,315,503,259.83-1,972,609,188.12-650,749,226.31

Finding the Fourth Proportional to 1,315,503,259.83, 1,972,609,188.12 and 650,749,226.31

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Solution

The fourth proportional to 1,315,503,259.83, 1,972,609,188.12 and 650,749,226.31 is: 975,804,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,503,259.83 : 1,972,609,188.12 = 650,749,226.31 : x
  2. Step 2: Convert to fraction form
    1,315,503,259.83/1,972,609,188.12 = 650,749,226.31/x
  3. Step 3: Cross multiply
    1,315,503,259.83x = 1,972,609,188.12 × 650,749,226.31
  4. Step 4: Simplify right side
    1,315,503,259.83x = 1,283,673,902,981,086,976
  5. Step 5: Solve for x
    x = 1,283,673,902,981,086,976/1,315,503,259.83
  6. Step 6: Final answer
    x = 975,804,425.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.