Home / 1,338,575,296.86-1,847,278,714.32-743,884,846.38

Finding the Fourth Proportional to 1,338,575,296.86, 1,847,278,714.32 and 743,884,846.38

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Solution

The fourth proportional to 1,338,575,296.86, 1,847,278,714.32 and 743,884,846.38 is: 1,026,585,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,575,296.86 : 1,847,278,714.32 = 743,884,846.38 : x
  2. Step 2: Convert to fraction form
    1,338,575,296.86/1,847,278,714.32 = 743,884,846.38/x
  3. Step 3: Cross multiply
    1,338,575,296.86x = 1,847,278,714.32 × 743,884,846.38
  4. Step 4: Simplify right side
    1,338,575,296.86x = 1,374,162,642,622,977,024
  5. Step 5: Solve for x
    x = 1,374,162,642,622,977,024/1,338,575,296.86
  6. Step 6: Final answer
    x = 1,026,585,987.24

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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.