Home / 1,287,095,756.64-1,930,661,571.20-366,972,095.28

Finding the Fourth Proportional to 1,287,095,756.64, 1,930,661,571.20 and 366,972,095.28

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Solution

The fourth proportional to 1,287,095,756.64, 1,930,661,571.20 and 366,972,095.28 is: 550,463,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,095,756.64 : 1,930,661,571.20 = 366,972,095.28 : x
  2. Step 2: Convert to fraction form
    1,287,095,756.64/1,930,661,571.20 = 366,972,095.28/x
  3. Step 3: Cross multiply
    1,287,095,756.64x = 1,930,661,571.20 × 366,972,095.28
  4. Step 4: Simplify right side
    1,287,095,756.64x = 708,498,922,059,840,896
  5. Step 5: Solve for x
    x = 708,498,922,059,840,896/1,287,095,756.64
  6. Step 6: Final answer
    x = 550,463,256.84

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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.