Home / 775,987,276.80-1,164,428,812.80-291,362,073.60

Finding the Fourth Proportional to 775,987,276.80, 1,164,428,812.80 and 291,362,073.60

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Solution

The fourth proportional to 775,987,276.80, 1,164,428,812.80 and 291,362,073.60 is: 437,211,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,987,276.80 : 1,164,428,812.80 = 291,362,073.60 : x
  2. Step 2: Convert to fraction form
    775,987,276.80/1,164,428,812.80 = 291,362,073.60/x
  3. Step 3: Cross multiply
    775,987,276.80x = 1,164,428,812.80 × 291,362,073.60
  4. Step 4: Simplify right side
    775,987,276.80x = 339,270,393,456,994,240
  5. Step 5: Solve for x
    x = 339,270,393,456,994,240/775,987,276.80
  6. Step 6: Final answer
    x = 437,211,283.74

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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.