Home / 1,681,756,589.28-2,320,487,498.16-939,086,381.28

Finding the Fourth Proportional to 1,681,756,589.28, 2,320,487,498.16 and 939,086,381.28

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Solution

The fourth proportional to 1,681,756,589.28, 2,320,487,498.16 and 939,086,381.28 is: 1,295,751,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,756,589.28 : 2,320,487,498.16 = 939,086,381.28 : x
  2. Step 2: Convert to fraction form
    1,681,756,589.28/2,320,487,498.16 = 939,086,381.28/x
  3. Step 3: Cross multiply
    1,681,756,589.28x = 2,320,487,498.16 × 939,086,381.28
  4. Step 4: Simplify right side
    1,681,756,589.28x = 2,179,138,207,452,554,752
  5. Step 5: Solve for x
    x = 2,179,138,207,452,554,752/1,681,756,589.28
  6. Step 6: Final answer
    x = 1,295,751,252.79

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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.