Home / 476,928,031.20-715,392,046.80-331,809,208.80

Finding the Fourth Proportional to 476,928,031.20, 715,392,046.80 and 331,809,208.80

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Solution

The fourth proportional to 476,928,031.20, 715,392,046.80 and 331,809,208.80 is: 497,713,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,031.20 : 715,392,046.80 = 331,809,208.80 : x
  2. Step 2: Convert to fraction form
    476,928,031.20/715,392,046.80 = 331,809,208.80/x
  3. Step 3: Cross multiply
    476,928,031.20x = 715,392,046.80 × 331,809,208.80
  4. Step 4: Simplify right side
    476,928,031.20x = 237,373,669,030,520,576
  5. Step 5: Solve for x
    x = 237,373,669,030,520,576/476,928,031.20
  6. Step 6: Final answer
    x = 497,713,813.20

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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.