Home / 516,900,620.46-713,325,073.95-281,956,400.94

Finding the Fourth Proportional to 516,900,620.46, 713,325,073.95 and 281,956,400.94

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Solution

The fourth proportional to 516,900,620.46, 713,325,073.95 and 281,956,400.94 is: 389,101,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,900,620.46 : 713,325,073.95 = 281,956,400.94 : x
  2. Step 2: Convert to fraction form
    516,900,620.46/713,325,073.95 = 281,956,400.94/x
  3. Step 3: Cross multiply
    516,900,620.46x = 713,325,073.95 × 281,956,400.94
  4. Step 4: Simplify right side
    516,900,620.46x = 201,126,570,551,201,376
  5. Step 5: Solve for x
    x = 201,126,570,551,201,376/516,900,620.46
  6. Step 6: Final answer
    x = 389,101,043.01

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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.