Home / 516,900,616.21-713,325,068.09-281,956,396.69

Finding the Fourth Proportional to 516,900,616.21, 713,325,068.09 and 281,956,396.69

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Solution

The fourth proportional to 516,900,616.21, 713,325,068.09 and 281,956,396.69 is: 389,101,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,900,616.21 : 713,325,068.09 = 281,956,396.69 : x
  2. Step 2: Convert to fraction form
    516,900,616.21/713,325,068.09 = 281,956,396.69/x
  3. Step 3: Cross multiply
    516,900,616.21x = 713,325,068.09 × 281,956,396.69
  4. Step 4: Simplify right side
    516,900,616.21x = 201,126,565,867,305,312
  5. Step 5: Solve for x
    x = 201,126,565,867,305,312/516,900,616.21
  6. Step 6: Final answer
    x = 389,101,037.14

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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.