Home / 300,935,488.60-451,403,232.90-255,018,986.20

Finding the Fourth Proportional to 300,935,488.60, 451,403,232.90 and 255,018,986.20

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Solution

The fourth proportional to 300,935,488.60, 451,403,232.90 and 255,018,986.20 is: 382,528,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,935,488.60 : 451,403,232.90 = 255,018,986.20 : x
  2. Step 2: Convert to fraction form
    300,935,488.60/451,403,232.90 = 255,018,986.20/x
  3. Step 3: Cross multiply
    300,935,488.60x = 451,403,232.90 × 255,018,986.20
  4. Step 4: Simplify right side
    300,935,488.60x = 115,116,394,821,560,480
  5. Step 5: Solve for x
    x = 115,116,394,821,560,480/300,935,488.60
  6. Step 6: Final answer
    x = 382,528,479.30

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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.