Home / 375,108,538.52-517,650,391.55-205,535,830.07

Finding the Fourth Proportional to 375,108,538.52, 517,650,391.55 and 205,535,830.07

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Solution

The fourth proportional to 375,108,538.52, 517,650,391.55 and 205,535,830.07 is: 283,639,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,108,538.52 : 517,650,391.55 = 205,535,830.07 : x
  2. Step 2: Convert to fraction form
    375,108,538.52/517,650,391.55 = 205,535,830.07/x
  3. Step 3: Cross multiply
    375,108,538.52x = 517,650,391.55 × 205,535,830.07
  4. Step 4: Simplify right side
    375,108,538.52x = 106,395,702,913,289,760
  5. Step 5: Solve for x
    x = 106,395,702,913,289,760/375,108,538.52
  6. Step 6: Final answer
    x = 283,639,778.86

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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.