Home / 378,980,118.23-568,524,404.69-116,686,862.28

Finding the Fourth Proportional to 378,980,118.23, 568,524,404.69 and 116,686,862.28

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Solution

The fourth proportional to 378,980,118.23, 568,524,404.69 and 116,686,862.28 is: 175,046,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,980,118.23 : 568,524,404.69 = 116,686,862.28 : x
  2. Step 2: Convert to fraction form
    378,980,118.23/568,524,404.69 = 116,686,862.28/x
  3. Step 3: Cross multiply
    378,980,118.23x = 568,524,404.69 × 116,686,862.28
  4. Step 4: Simplify right side
    378,980,118.23x = 66,339,328,912,881,024
  5. Step 5: Solve for x
    x = 66,339,328,912,881,024/378,980,118.23
  6. Step 6: Final answer
    x = 175,046,989.86

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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.