Home / 489,216,850.80-733,825,276.20-451,803,404.40

Finding the Fourth Proportional to 489,216,850.80, 733,825,276.20 and 451,803,404.40

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Solution

The fourth proportional to 489,216,850.80, 733,825,276.20 and 451,803,404.40 is: 677,705,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,216,850.80 : 733,825,276.20 = 451,803,404.40 : x
  2. Step 2: Convert to fraction form
    489,216,850.80/733,825,276.20 = 451,803,404.40/x
  3. Step 3: Cross multiply
    489,216,850.80x = 733,825,276.20 × 451,803,404.40
  4. Step 4: Simplify right side
    489,216,850.80x = 331,544,758,021,930,304
  5. Step 5: Solve for x
    x = 331,544,758,021,930,304/489,216,850.80
  6. Step 6: Final answer
    x = 677,705,106.60

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1.5x scale

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.