Home / 576,919,868.58-796,152,190.86-312,601,792.32

Finding the Fourth Proportional to 576,919,868.58, 796,152,190.86 and 312,601,792.32

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Solution

The fourth proportional to 576,919,868.58, 796,152,190.86 and 312,601,792.32 is: 431,391,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,919,868.58 : 796,152,190.86 = 312,601,792.32 : x
  2. Step 2: Convert to fraction form
    576,919,868.58/796,152,190.86 = 312,601,792.32/x
  3. Step 3: Cross multiply
    576,919,868.58x = 796,152,190.86 × 312,601,792.32
  4. Step 4: Simplify right side
    576,919,868.58x = 248,878,601,822,330,720
  5. Step 5: Solve for x
    x = 248,878,601,822,330,720/576,919,868.58
  6. Step 6: Final answer
    x = 431,391,975.52

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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.