Home / 300,935,489.10-451,403,233.65-255,018,986.70

Finding the Fourth Proportional to 300,935,489.10, 451,403,233.65 and 255,018,986.70

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Solution

The fourth proportional to 300,935,489.10, 451,403,233.65 and 255,018,986.70 is: 382,528,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,935,489.10 : 451,403,233.65 = 255,018,986.70 : x
  2. Step 2: Convert to fraction form
    300,935,489.10/451,403,233.65 = 255,018,986.70/x
  3. Step 3: Cross multiply
    300,935,489.10x = 451,403,233.65 × 255,018,986.70
  4. Step 4: Simplify right side
    300,935,489.10x = 115,116,395,238,526,336
  5. Step 5: Solve for x
    x = 115,116,395,238,526,336/300,935,489.10
  6. Step 6: Final answer
    x = 382,528,480.05

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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.