Home / 1,082,695,649.64-1,494,079,988.40-587,647,729.32

Finding the Fourth Proportional to 1,082,695,649.64, 1,494,079,988.40 and 587,647,729.32

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Solution

The fourth proportional to 1,082,695,649.64, 1,494,079,988.40 and 587,647,729.32 is: 810,932,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,695,649.64 : 1,494,079,988.40 = 587,647,729.32 : x
  2. Step 2: Convert to fraction form
    1,082,695,649.64/1,494,079,988.40 = 587,647,729.32/x
  3. Step 3: Cross multiply
    1,082,695,649.64x = 1,494,079,988.40 × 587,647,729.32
  4. Step 4: Simplify right side
    1,082,695,649.64x = 877,992,712,605,712,128
  5. Step 5: Solve for x
    x = 877,992,712,605,712,128/1,082,695,649.64
  6. Step 6: Final answer
    x = 810,932,151.52

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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.