Home / 820,763,441.76-1,132,631,609.04-468,333,029.28

Finding the Fourth Proportional to 820,763,441.76, 1,132,631,609.04 and 468,333,029.28

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Solution

The fourth proportional to 820,763,441.76, 1,132,631,609.04 and 468,333,029.28 is: 646,287,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,763,441.76 : 1,132,631,609.04 = 468,333,029.28 : x
  2. Step 2: Convert to fraction form
    820,763,441.76/1,132,631,609.04 = 468,333,029.28/x
  3. Step 3: Cross multiply
    820,763,441.76x = 1,132,631,609.04 × 468,333,029.28
  4. Step 4: Simplify right side
    820,763,441.76x = 530,448,792,519,983,808
  5. Step 5: Solve for x
    x = 530,448,792,519,983,808/820,763,441.76
  6. Step 6: Final answer
    x = 646,287,060.96

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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.