Home / 820,763,658.52-1,132,631,908.38-468,333,246.04

Finding the Fourth Proportional to 820,763,658.52, 1,132,631,908.38 and 468,333,246.04

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Solution

The fourth proportional to 820,763,658.52, 1,132,631,908.38 and 468,333,246.04 is: 646,287,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,763,658.52 : 1,132,631,908.38 = 468,333,246.04 : x
  2. Step 2: Convert to fraction form
    820,763,658.52/1,132,631,908.38 = 468,333,246.04/x
  3. Step 3: Cross multiply
    820,763,658.52x = 1,132,631,908.38 × 468,333,246.04
  4. Step 4: Simplify right side
    820,763,658.52x = 530,449,178,220,085,376
  5. Step 5: Solve for x
    x = 530,449,178,220,085,376/820,763,658.52
  6. Step 6: Final answer
    x = 646,287,360.21

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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.