Home / 885,358,958.21-1,328,325,774.50-263,579,568.35

Finding the Fourth Proportional to 885,358,958.21, 1,328,325,774.50 and 263,579,568.35

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Solution

The fourth proportional to 885,358,958.21, 1,328,325,774.50 and 263,579,568.35 is: 395,454,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,358,958.21 : 1,328,325,774.50 = 263,579,568.35 : x
  2. Step 2: Convert to fraction form
    885,358,958.21/1,328,325,774.50 = 263,579,568.35/x
  3. Step 3: Cross multiply
    885,358,958.21x = 1,328,325,774.50 × 263,579,568.35
  4. Step 4: Simplify right side
    885,358,958.21x = 350,119,534,272,892,288
  5. Step 5: Solve for x
    x = 350,119,534,272,892,288/885,358,958.21
  6. Step 6: Final answer
    x = 395,454,895.47

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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.