Home / 516,530,729.76-712,806,516.35-281,576,207.04

Finding the Fourth Proportional to 516,530,729.76, 712,806,516.35 and 281,576,207.04

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Solution

The fourth proportional to 516,530,729.76, 712,806,516.35 and 281,576,207.04 is: 388,571,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,530,729.76 : 712,806,516.35 = 281,576,207.04 : x
  2. Step 2: Convert to fraction form
    516,530,729.76/712,806,516.35 = 281,576,207.04/x
  3. Step 3: Cross multiply
    516,530,729.76x = 712,806,516.35 × 281,576,207.04
  4. Step 4: Simplify right side
    516,530,729.76x = 200,709,355,225,820,896
  5. Step 5: Solve for x
    x = 200,709,355,225,820,896/516,530,729.76
  6. Step 6: Final answer
    x = 388,571,954.51

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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.