Home / 480,816,940.57-721,041,562.40-262,350,513.54

Finding the Fourth Proportional to 480,816,940.57, 721,041,562.40 and 262,350,513.54

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Solution

The fourth proportional to 480,816,940.57, 721,041,562.40 and 262,350,513.54 is: 393,425,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,816,940.57 : 721,041,562.40 = 262,350,513.54 : x
  2. Step 2: Convert to fraction form
    480,816,940.57/721,041,562.40 = 262,350,513.54/x
  3. Step 3: Cross multiply
    480,816,940.57x = 721,041,562.40 × 262,350,513.54
  4. Step 4: Simplify right side
    480,816,940.57x = 189,165,624,179,323,936
  5. Step 5: Solve for x
    x = 189,165,624,179,323,936/480,816,940.57
  6. Step 6: Final answer
    x = 393,425,456.17

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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.