Home / 829,323,571.43-1,243,990,007.57-276,624,482.51

Finding the Fourth Proportional to 829,323,571.43, 1,243,990,007.57 and 276,624,482.51

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Solution

The fourth proportional to 829,323,571.43, 1,243,990,007.57 and 276,624,482.51 is: 414,938,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,323,571.43 : 1,243,990,007.57 = 276,624,482.51 : x
  2. Step 2: Convert to fraction form
    829,323,571.43/1,243,990,007.57 = 276,624,482.51/x
  3. Step 3: Cross multiply
    829,323,571.43x = 1,243,990,007.57 × 276,624,482.51
  4. Step 4: Simplify right side
    829,323,571.43x = 344,118,092,085,442,240
  5. Step 5: Solve for x
    x = 344,118,092,085,442,240/829,323,571.43
  6. Step 6: Final answer
    x = 414,938,274.93

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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.