Home / 834,624,004.80-1,251,936,007.20-528,262,046.40

Finding the Fourth Proportional to 834,624,004.80, 1,251,936,007.20 and 528,262,046.40

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Solution

The fourth proportional to 834,624,004.80, 1,251,936,007.20 and 528,262,046.40 is: 792,393,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,624,004.80 : 1,251,936,007.20 = 528,262,046.40 : x
  2. Step 2: Convert to fraction form
    834,624,004.80/1,251,936,007.20 = 528,262,046.40/x
  3. Step 3: Cross multiply
    834,624,004.80x = 1,251,936,007.20 × 528,262,046.40
  4. Step 4: Simplify right side
    834,624,004.80x = 661,350,277,125,317,120
  5. Step 5: Solve for x
    x = 661,350,277,125,317,120/834,624,004.80
  6. Step 6: Final answer
    x = 792,393,069.60

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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.