Home / 664,006,481.40-996,009,722.10-470,136,804.60

Finding the Fourth Proportional to 664,006,481.40, 996,009,722.10 and 470,136,804.60

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Solution

The fourth proportional to 664,006,481.40, 996,009,722.10 and 470,136,804.60 is: 705,205,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,006,481.40 : 996,009,722.10 = 470,136,804.60 : x
  2. Step 2: Convert to fraction form
    664,006,481.40/996,009,722.10 = 470,136,804.60/x
  3. Step 3: Cross multiply
    664,006,481.40x = 996,009,722.10 × 470,136,804.60
  4. Step 4: Simplify right side
    664,006,481.40x = 468,260,828,098,628,032
  5. Step 5: Solve for x
    x = 468,260,828,098,628,032/664,006,481.40
  6. Step 6: Final answer
    x = 705,205,206.90

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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.