Home / 905,344,345.96-1,358,016,624.15-283,608,027.43

Finding the Fourth Proportional to 905,344,345.96, 1,358,016,624.15 and 283,608,027.43

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Solution

The fourth proportional to 905,344,345.96, 1,358,016,624.15 and 283,608,027.43 is: 425,412,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,344,345.96 : 1,358,016,624.15 = 283,608,027.43 : x
  2. Step 2: Convert to fraction form
    905,344,345.96/1,358,016,624.15 = 283,608,027.43/x
  3. Step 3: Cross multiply
    905,344,345.96x = 1,358,016,624.15 × 283,608,027.43
  4. Step 4: Simplify right side
    905,344,345.96x = 385,144,415,992,329,216
  5. Step 5: Solve for x
    x = 385,144,415,992,329,216/905,344,345.96
  6. Step 6: Final answer
    x = 425,412,074.10

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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.