Home / 905,449,577.92-1,358,172,670.40-283,712,406.24

Finding the Fourth Proportional to 905,449,577.92, 1,358,172,670.40 and 283,712,406.24

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Solution

The fourth proportional to 905,449,577.92, 1,358,172,670.40 and 283,712,406.24 is: 425,568,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,577.92 : 1,358,172,670.40 = 283,712,406.24 : x
  2. Step 2: Convert to fraction form
    905,449,577.92/1,358,172,670.40 = 283,712,406.24/x
  3. Step 3: Cross multiply
    905,449,577.92x = 1,358,172,670.40 × 283,712,406.24
  4. Step 4: Simplify right side
    905,449,577.92x = 385,330,436,408,590,464
  5. Step 5: Solve for x
    x = 385,330,436,408,590,464/905,449,577.92
  6. Step 6: Final answer
    x = 425,568,077.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.