Home / 516,900,647.46-713,325,111.30-281,956,427.94

Finding the Fourth Proportional to 516,900,647.46, 713,325,111.30 and 281,956,427.94

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Solution

The fourth proportional to 516,900,647.46, 713,325,111.30 and 281,956,427.94 is: 389,101,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,900,647.46 : 713,325,111.30 = 281,956,427.94 : x
  2. Step 2: Convert to fraction form
    516,900,647.46/713,325,111.30 = 281,956,427.94/x
  3. Step 3: Cross multiply
    516,900,647.46x = 713,325,111.30 × 281,956,427.94
  4. Step 4: Simplify right side
    516,900,647.46x = 201,126,600,342,050,912
  5. Step 5: Solve for x
    x = 201,126,600,342,050,912/516,900,647.46
  6. Step 6: Final answer
    x = 389,101,080.31

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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.