Home / 788,712,037.26-1,183,175,667.09-328,542,590.04

Finding the Fourth Proportional to 788,712,037.26, 1,183,175,667.09 and 328,542,590.04

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Solution

The fourth proportional to 788,712,037.26, 1,183,175,667.09 and 328,542,590.04 is: 492,858,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,712,037.26 : 1,183,175,667.09 = 328,542,590.04 : x
  2. Step 2: Convert to fraction form
    788,712,037.26/1,183,175,667.09 = 328,542,590.04/x
  3. Step 3: Cross multiply
    788,712,037.26x = 1,183,175,667.09 × 328,542,590.04
  4. Step 4: Simplify right side
    788,712,037.26x = 388,723,598,138,053,376
  5. Step 5: Solve for x
    x = 388,723,598,138,053,376/788,712,037.26
  6. Step 6: Final answer
    x = 492,858,711.13

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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.