Home / 497,802,021.90-746,065,303.65-442,957,310.70

Finding the Fourth Proportional to 497,802,021.90, 746,065,303.65 and 442,957,310.70

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Solution

The fourth proportional to 497,802,021.90, 746,065,303.65 and 442,957,310.70 is: 663,868,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,802,021.90 : 746,065,303.65 = 442,957,310.70 : x
  2. Step 2: Convert to fraction form
    497,802,021.90/746,065,303.65 = 442,957,310.70/x
  3. Step 3: Cross multiply
    497,802,021.90x = 746,065,303.65 × 442,957,310.70
  4. Step 4: Simplify right side
    497,802,021.90x = 330,475,080,511,382,848
  5. Step 5: Solve for x
    x = 330,475,080,511,382,848/497,802,021.90
  6. Step 6: Final answer
    x = 663,868,497.86

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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.