Home / 1,277,716,483.50-1,763,265,879.36-720,797,808.30

Finding the Fourth Proportional to 1,277,716,483.50, 1,763,265,879.36 and 720,797,808.30

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Solution

The fourth proportional to 1,277,716,483.50, 1,763,265,879.36 and 720,797,808.30 is: 994,710,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,716,483.50 : 1,763,265,879.36 = 720,797,808.30 : x
  2. Step 2: Convert to fraction form
    1,277,716,483.50/1,763,265,879.36 = 720,797,808.30/x
  3. Step 3: Cross multiply
    1,277,716,483.50x = 1,763,265,879.36 × 720,797,808.30
  4. Step 4: Simplify right side
    1,277,716,483.50x = 1,270,958,181,292,860,160
  5. Step 5: Solve for x
    x = 1,270,958,181,292,860,160/1,277,716,483.50
  6. Step 6: Final answer
    x = 994,710,640.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.