Home / 375,466,739.64-518,145,251.94-208,214,777.40

Finding the Fourth Proportional to 375,466,739.64, 518,145,251.94 and 208,214,777.40

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Solution

The fourth proportional to 375,466,739.64, 518,145,251.94 and 208,214,777.40 is: 287,337,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,466,739.64 : 518,145,251.94 = 208,214,777.40 : x
  2. Step 2: Convert to fraction form
    375,466,739.64/518,145,251.94 = 208,214,777.40/x
  3. Step 3: Cross multiply
    375,466,739.64x = 518,145,251.94 × 208,214,777.40
  4. Step 4: Simplify right side
    375,466,739.64x = 107,885,498,293,554,016
  5. Step 5: Solve for x
    x = 107,885,498,293,554,016/375,466,739.64
  6. Step 6: Final answer
    x = 287,337,031.23

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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.