Home / 664,308,043.20-996,462,064.80-626,684,644.80

Finding the Fourth Proportional to 664,308,043.20, 996,462,064.80 and 626,684,644.80

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Solution

The fourth proportional to 664,308,043.20, 996,462,064.80 and 626,684,644.80 is: 940,026,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,043.20 : 996,462,064.80 = 626,684,644.80 : x
  2. Step 2: Convert to fraction form
    664,308,043.20/996,462,064.80 = 626,684,644.80/x
  3. Step 3: Cross multiply
    664,308,043.20x = 996,462,064.80 × 626,684,644.80
  4. Step 4: Simplify right side
    664,308,043.20x = 624,467,475,135,862,528
  5. Step 5: Solve for x
    x = 624,467,475,135,862,528/664,308,043.20
  6. Step 6: Final answer
    x = 940,026,967.20

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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.