Home / 516,883,472.64-713,301,436.80-281,939,179.68

Finding the Fourth Proportional to 516,883,472.64, 713,301,436.80 and 281,939,179.68

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Solution

The fourth proportional to 516,883,472.64, 713,301,436.80 and 281,939,179.68 is: 389,077,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,883,472.64 : 713,301,436.80 = 281,939,179.68 : x
  2. Step 2: Convert to fraction form
    516,883,472.64/713,301,436.80 = 281,939,179.68/x
  3. Step 3: Cross multiply
    516,883,472.64x = 713,301,436.80 × 281,939,179.68
  4. Step 4: Simplify right side
    516,883,472.64x = 201,107,621,955,957,344
  5. Step 5: Solve for x
    x = 201,107,621,955,957,344/516,883,472.64
  6. Step 6: Final answer
    x = 389,077,292.27

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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.