Home / 1,445,273,159.82-1,994,476,960.35-818,741,587.76

Finding the Fourth Proportional to 1,445,273,159.82, 1,994,476,960.35 and 818,741,587.76

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Solution

The fourth proportional to 1,445,273,159.82, 1,994,476,960.35 and 818,741,587.76 is: 1,129,863,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,273,159.82 : 1,994,476,960.35 = 818,741,587.76 : x
  2. Step 2: Convert to fraction form
    1,445,273,159.82/1,994,476,960.35 = 818,741,587.76/x
  3. Step 3: Cross multiply
    1,445,273,159.82x = 1,994,476,960.35 × 818,741,587.76
  4. Step 4: Simplify right side
    1,445,273,159.82x = 1,632,961,233,267,697,408
  5. Step 5: Solve for x
    x = 1,632,961,233,267,697,408/1,445,273,159.82
  6. Step 6: Final answer
    x = 1,129,863,390.99

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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.