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Finding the Fourth Proportional to 664,423,265.60, 996,809,080.80 and 255,492,756.80

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Solution

The fourth proportional to 664,423,265.60, 996,809,080.80 and 255,492,756.80 is: 383,306,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,423,265.60 : 996,809,080.80 = 255,492,756.80 : x
  2. Step 2: Convert to fraction form
    664,423,265.60/996,809,080.80 = 255,492,756.80/x
  3. Step 3: Cross multiply
    664,423,265.60x = 996,809,080.80 × 255,492,756.80
  4. Step 4: Simplify right side
    664,423,265.60x = 254,677,500,056,865,952
  5. Step 5: Solve for x
    x = 254,677,500,056,865,952/664,423,265.60
  6. Step 6: Final answer
    x = 383,306,114.10

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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.