Home / 820,763,657.52-1,132,631,907-468,333,245.04

Finding the Fourth Proportional to 820,763,657.52, 1,132,631,907 and 468,333,245.04

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Solution

The fourth proportional to 820,763,657.52, 1,132,631,907 and 468,333,245.04 is: 646,287,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,763,657.52 : 1,132,631,907 = 468,333,245.04 : x
  2. Step 2: Convert to fraction form
    820,763,657.52/1,132,631,907 = 468,333,245.04/x
  3. Step 3: Cross multiply
    820,763,657.52x = 1,132,631,907 × 468,333,245.04
  4. Step 4: Simplify right side
    820,763,657.52x = 530,449,176,441,153,536
  5. Step 5: Solve for x
    x = 530,449,176,441,153,536/820,763,657.52
  6. Step 6: Final answer
    x = 646,287,358.83

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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.