Home / 499,486,415.80-749,229,623.70-491,833,665.40

Finding the Fourth Proportional to 499,486,415.80, 749,229,623.70 and 491,833,665.40

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Solution

The fourth proportional to 499,486,415.80, 749,229,623.70 and 491,833,665.40 is: 737,750,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,486,415.80 : 749,229,623.70 = 491,833,665.40 : x
  2. Step 2: Convert to fraction form
    499,486,415.80/749,229,623.70 = 491,833,665.40/x
  3. Step 3: Cross multiply
    499,486,415.80x = 749,229,623.70 × 491,833,665.40
  4. Step 4: Simplify right side
    499,486,415.80x = 368,496,352,050,633,728
  5. Step 5: Solve for x
    x = 368,496,352,050,633,728/499,486,415.80
  6. Step 6: Final answer
    x = 737,750,498.10

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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.