Home / 728,271,737.20-1,092,407,605.80-723,169,903.60

Finding the Fourth Proportional to 728,271,737.20, 1,092,407,605.80 and 723,169,903.60

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Solution

The fourth proportional to 728,271,737.20, 1,092,407,605.80 and 723,169,903.60 is: 1,084,754,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,271,737.20 : 1,092,407,605.80 = 723,169,903.60 : x
  2. Step 2: Convert to fraction form
    728,271,737.20/1,092,407,605.80 = 723,169,903.60/x
  3. Step 3: Cross multiply
    728,271,737.20x = 1,092,407,605.80 × 723,169,903.60
  4. Step 4: Simplify right side
    728,271,737.20x = 789,996,302,978,292,736
  5. Step 5: Solve for x
    x = 789,996,302,978,292,736/728,271,737.20
  6. Step 6: Final answer
    x = 1,084,754,855.40

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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.