Home / 303,364,007.20-455,046,010.80-300,340,698.40

Finding the Fourth Proportional to 303,364,007.20, 455,046,010.80 and 300,340,698.40

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Solution

The fourth proportional to 303,364,007.20, 455,046,010.80 and 300,340,698.40 is: 450,511,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,364,007.20 : 455,046,010.80 = 300,340,698.40 : x
  2. Step 2: Convert to fraction form
    303,364,007.20/455,046,010.80 = 300,340,698.40/x
  3. Step 3: Cross multiply
    303,364,007.20x = 455,046,010.80 × 300,340,698.40
  4. Step 4: Simplify right side
    303,364,007.20x = 136,668,836,687,805,936
  5. Step 5: Solve for x
    x = 136,668,836,687,805,936/303,364,007.20
  6. Step 6: Final answer
    x = 450,511,047.60

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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.