Home / 393,476,864.34-590,419,563.96-160,478,515.32

Finding the Fourth Proportional to 393,476,864.34, 590,419,563.96 and 160,478,515.32

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Solution

The fourth proportional to 393,476,864.34, 590,419,563.96 and 160,478,515.32 is: 240,801,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,476,864.34 : 590,419,563.96 = 160,478,515.32 : x
  2. Step 2: Convert to fraction form
    393,476,864.34/590,419,563.96 = 160,478,515.32/x
  3. Step 3: Cross multiply
    393,476,864.34x = 590,419,563.96 × 160,478,515.32
  4. Step 4: Simplify right side
    393,476,864.34x = 94,749,655,040,182,576
  5. Step 5: Solve for x
    x = 94,749,655,040,182,576/393,476,864.34
  6. Step 6: Final answer
    x = 240,801,082.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.