Home / 497,664,220.40-746,496,330.60-255,351,618.80

Finding the Fourth Proportional to 497,664,220.40, 746,496,330.60 and 255,351,618.80

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Solution

The fourth proportional to 497,664,220.40, 746,496,330.60 and 255,351,618.80 is: 383,027,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,220.40 : 746,496,330.60 = 255,351,618.80 : x
  2. Step 2: Convert to fraction form
    497,664,220.40/746,496,330.60 = 255,351,618.80/x
  3. Step 3: Cross multiply
    497,664,220.40x = 746,496,330.60 × 255,351,618.80
  4. Step 4: Simplify right side
    497,664,220.40x = 190,619,046,446,969,984
  5. Step 5: Solve for x
    x = 190,619,046,446,969,984/497,664,220.40
  6. Step 6: Final answer
    x = 383,027,428.20

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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.