Home / 1,419,739,918.24-1,958,905,186.32-824,670,868

Finding the Fourth Proportional to 1,419,739,918.24, 1,958,905,186.32 and 824,670,868

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Solution

The fourth proportional to 1,419,739,918.24, 1,958,905,186.32 and 824,670,868 is: 1,137,850,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,739,918.24 : 1,958,905,186.32 = 824,670,868 : x
  2. Step 2: Convert to fraction form
    1,419,739,918.24/1,958,905,186.32 = 824,670,868/x
  3. Step 3: Cross multiply
    1,419,739,918.24x = 1,958,905,186.32 × 824,670,868
  4. Step 4: Simplify right side
    1,419,739,918.24x = 1,615,452,040,332,216,064
  5. Step 5: Solve for x
    x = 1,615,452,040,332,216,064/1,419,739,918.24
  6. Step 6: Final answer
    x = 1,137,850,686.30

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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.